Home / 3,861,049.16-5,328,248.53-2,142,165.57

Finding the Fourth Proportional to 3,861,049.16, 5,328,248.53 and 2,142,165.57

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Solution

The fourth proportional to 3,861,049.16, 5,328,248.53 and 2,142,165.57 is: 2,956,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,049.16 : 5,328,248.53 = 2,142,165.57 : x
  2. Step 2: Convert to fraction form
    3,861,049.16/5,328,248.53 = 2,142,165.57/x
  3. Step 3: Cross multiply
    3,861,049.16x = 5,328,248.53 × 2,142,165.57
  4. Step 4: Simplify right side
    3,861,049.16x = 11,413,990,538,658.28
  5. Step 5: Solve for x
    x = 11,413,990,538,658.28/3,861,049.16
  6. Step 6: Final answer
    x = 2,956,188.87

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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.