Home / 3,933,156.09-5,427,906.80-2,279,359.92

Finding the Fourth Proportional to 3,933,156.09, 5,427,906.80 and 2,279,359.92

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Solution

The fourth proportional to 3,933,156.09, 5,427,906.80 and 2,279,359.92 is: 3,145,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,156.09 : 5,427,906.80 = 2,279,359.92 : x
  2. Step 2: Convert to fraction form
    3,933,156.09/5,427,906.80 = 2,279,359.92/x
  3. Step 3: Cross multiply
    3,933,156.09x = 5,427,906.80 × 2,279,359.92
  4. Step 4: Simplify right side
    3,933,156.09x = 12,372,153,198,018.66
  5. Step 5: Solve for x
    x = 12,372,153,198,018.66/3,933,156.09
  6. Step 6: Final answer
    x = 3,145,604.42

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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.