Home / 3,690,666.59-5,538,470.78-1,531,693.50

Finding the Fourth Proportional to 3,690,666.59, 5,538,470.78 and 1,531,693.50

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Solution

The fourth proportional to 3,690,666.59, 5,538,470.78 and 1,531,693.50 is: 2,298,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,666.59 : 5,538,470.78 = 1,531,693.50 : x
  2. Step 2: Convert to fraction form
    3,690,666.59/5,538,470.78 = 1,531,693.50/x
  3. Step 3: Cross multiply
    3,690,666.59x = 5,538,470.78 × 1,531,693.50
  4. Step 4: Simplify right side
    3,690,666.59x = 8,483,239,676,725.90
  5. Step 5: Solve for x
    x = 8,483,239,676,725.90/3,690,666.59
  6. Step 6: Final answer
    x = 2,298,565.71

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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.