Home / 3,940,937.01-5,438,553.44-2,308,953.87

Finding the Fourth Proportional to 3,940,937.01, 5,438,553.44 and 2,308,953.87

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Solution

The fourth proportional to 3,940,937.01, 5,438,553.44 and 2,308,953.87 is: 3,186,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,937.01 : 5,438,553.44 = 2,308,953.87 : x
  2. Step 2: Convert to fraction form
    3,940,937.01/5,438,553.44 = 2,308,953.87/x
  3. Step 3: Cross multiply
    3,940,937.01x = 5,438,553.44 × 2,308,953.87
  4. Step 4: Simplify right side
    3,940,937.01x = 12,557,369,000,945.04
  5. Step 5: Solve for x
    x = 12,557,369,000,945.04/3,940,937.01
  6. Step 6: Final answer
    x = 3,186,391.71

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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.