Home / 3,861,129.50-5,328,359.52-2,142,245.91

Finding the Fourth Proportional to 3,861,129.50, 5,328,359.52 and 2,142,245.91

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Solution

The fourth proportional to 3,861,129.50, 5,328,359.52 and 2,142,245.91 is: 2,956,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,129.50 : 5,328,359.52 = 2,142,245.91 : x
  2. Step 2: Convert to fraction form
    3,861,129.50/5,328,359.52 = 2,142,245.91/x
  3. Step 3: Cross multiply
    3,861,129.50x = 5,328,359.52 × 2,142,245.91
  4. Step 4: Simplify right side
    3,861,129.50x = 11,414,656,400,677.49
  5. Step 5: Solve for x
    x = 11,414,656,400,677.49/3,861,129.50
  6. Step 6: Final answer
    x = 2,956,299.81

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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.