Home / 2,188,946.40-3,283,419.60-2,142,290.40

Finding the Fourth Proportional to 2,188,946.40, 3,283,419.60 and 2,142,290.40

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Solution

The fourth proportional to 2,188,946.40, 3,283,419.60 and 2,142,290.40 is: 3,213,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,946.40 : 3,283,419.60 = 2,142,290.40 : x
  2. Step 2: Convert to fraction form
    2,188,946.40/3,283,419.60 = 2,142,290.40/x
  3. Step 3: Cross multiply
    2,188,946.40x = 3,283,419.60 × 2,142,290.40
  4. Step 4: Simplify right side
    2,188,946.40x = 7,034,038,288,251.84
  5. Step 5: Solve for x
    x = 7,034,038,288,251.84/2,188,946.40
  6. Step 6: Final answer
    x = 3,213,435.60

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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.