Home / 2,188,870.40-3,283,305.60-2,142,214.40

Finding the Fourth Proportional to 2,188,870.40, 3,283,305.60 and 2,142,214.40

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Solution

The fourth proportional to 2,188,870.40, 3,283,305.60 and 2,142,214.40 is: 3,213,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,870.40 : 3,283,305.60 = 2,142,214.40 : x
  2. Step 2: Convert to fraction form
    2,188,870.40/3,283,305.60 = 2,142,214.40/x
  3. Step 3: Cross multiply
    2,188,870.40x = 3,283,305.60 × 2,142,214.40
  4. Step 4: Simplify right side
    2,188,870.40x = 7,033,544,535,920.64
  5. Step 5: Solve for x
    x = 7,033,544,535,920.64/2,188,870.40
  6. Step 6: Final answer
    x = 3,213,321.60

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Double scale
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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.