Home / 3,861,569.43-5,329,002.56-2,142,849.87

Finding the Fourth Proportional to 3,861,569.43, 5,329,002.56 and 2,142,849.87

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Solution

The fourth proportional to 3,861,569.43, 5,329,002.56 and 2,142,849.87 is: 2,957,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,569.43 : 5,329,002.56 = 2,142,849.87 : x
  2. Step 2: Convert to fraction form
    3,861,569.43/5,329,002.56 = 2,142,849.87/x
  3. Step 3: Cross multiply
    3,861,569.43x = 5,329,002.56 × 2,142,849.87
  4. Step 4: Simplify right side
    3,861,569.43x = 11,419,252,432,211.42
  5. Step 5: Solve for x
    x = 11,419,252,432,211.42/3,861,569.43
  6. Step 6: Final answer
    x = 2,957,153.21

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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.