Home / 3,830,979.26-5,746,468.89-3,639,414.47

Finding the Fourth Proportional to 3,830,979.26, 5,746,468.89 and 3,639,414.47

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Solution

The fourth proportional to 3,830,979.26, 5,746,468.89 and 3,639,414.47 is: 5,459,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,979.26 : 5,746,468.89 = 3,639,414.47 : x
  2. Step 2: Convert to fraction form
    3,830,979.26/5,746,468.89 = 3,639,414.47/x
  3. Step 3: Cross multiply
    3,830,979.26x = 5,746,468.89 × 3,639,414.47
  4. Step 4: Simplify right side
    3,830,979.26x = 20,913,782,000,938.49
  5. Step 5: Solve for x
    x = 20,913,782,000,938.49/3,830,979.26
  6. Step 6: Final answer
    x = 5,459,121.70

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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.