Home / 5,787,171.90-7,981,689.51-3,722,424.66

Finding the Fourth Proportional to 5,787,171.90, 7,981,689.51 and 3,722,424.66

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Solution

The fourth proportional to 5,787,171.90, 7,981,689.51 and 3,722,424.66 is: 5,133,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787,171.90 : 7,981,689.51 = 3,722,424.66 : x
  2. Step 2: Convert to fraction form
    5,787,171.90/7,981,689.51 = 3,722,424.66/x
  3. Step 3: Cross multiply
    5,787,171.90x = 7,981,689.51 × 3,722,424.66
  4. Step 4: Simplify right side
    5,787,171.90x = 29,711,237,860,487.32
  5. Step 5: Solve for x
    x = 29,711,237,860,487.32/5,787,171.90
  6. Step 6: Final answer
    x = 5,133,982.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.