Home / 3,861,042.32-5,328,239.05-2,142,158.73

Finding the Fourth Proportional to 3,861,042.32, 5,328,239.05 and 2,142,158.73

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Solution

The fourth proportional to 3,861,042.32, 5,328,239.05 and 2,142,158.73 is: 2,956,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,042.32 : 5,328,239.05 = 2,142,158.73 : x
  2. Step 2: Convert to fraction form
    3,861,042.32/5,328,239.05 = 2,142,158.73/x
  3. Step 3: Cross multiply
    3,861,042.32x = 5,328,239.05 × 2,142,158.73
  4. Step 4: Simplify right side
    3,861,042.32x = 11,413,933,796,484.41
  5. Step 5: Solve for x
    x = 11,413,933,796,484.41/3,861,042.32
  6. Step 6: Final answer
    x = 2,956,179.41

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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.