Home / 2,188,901.40-3,283,352.10-2,142,245.40

Finding the Fourth Proportional to 2,188,901.40, 3,283,352.10 and 2,142,245.40

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Solution

The fourth proportional to 2,188,901.40, 3,283,352.10 and 2,142,245.40 is: 3,213,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,901.40 : 3,283,352.10 = 2,142,245.40 : x
  2. Step 2: Convert to fraction form
    2,188,901.40/3,283,352.10 = 2,142,245.40/x
  3. Step 3: Cross multiply
    2,188,901.40x = 3,283,352.10 × 2,142,245.40
  4. Step 4: Simplify right side
    2,188,901.40x = 7,033,745,932,805.34
  5. Step 5: Solve for x
    x = 7,033,745,932,805.34/2,188,901.40
  6. Step 6: Final answer
    x = 3,213,368.10

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Half scale
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Double scale
Find fourth proportional to 2,188,902.40, 3,283,353.60 and 2,142,246.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.