Home / 3,861,601.68-5,329,047-2,142,882.16

Finding the Fourth Proportional to 3,861,601.68, 5,329,047 and 2,142,882.16

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Solution

The fourth proportional to 3,861,601.68, 5,329,047 and 2,142,882.16 is: 2,957,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,601.68 : 5,329,047 = 2,142,882.16 : x
  2. Step 2: Convert to fraction form
    3,861,601.68/5,329,047 = 2,142,882.16/x
  3. Step 3: Cross multiply
    3,861,601.68x = 5,329,047 × 2,142,882.16
  4. Step 4: Simplify right side
    3,861,601.68x = 11,419,519,746,101.52
  5. Step 5: Solve for x
    x = 11,419,519,746,101.52/3,861,601.68
  6. Step 6: Final answer
    x = 2,957,197.74

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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.