Home / 3,688,253.66-5,531,882.20-992,740.64

Finding the Fourth Proportional to 3,688,253.66, 5,531,882.20 and 992,740.64

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Solution

The fourth proportional to 3,688,253.66, 5,531,882.20 and 992,740.64 is: 1,488,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,253.66 : 5,531,882.20 = 992,740.64 : x
  2. Step 2: Convert to fraction form
    3,688,253.66/5,531,882.20 = 992,740.64/x
  3. Step 3: Cross multiply
    3,688,253.66x = 5,531,882.20 × 992,740.64
  4. Step 4: Simplify right side
    3,688,253.66x = 5,491,724,245,491.35
  5. Step 5: Solve for x
    x = 5,491,724,245,491.35/3,688,253.66
  6. Step 6: Final answer
    x = 1,488,976.83

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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.