Home / 3,940,932.26-5,438,546.88-2,308,949.12

Finding the Fourth Proportional to 3,940,932.26, 5,438,546.88 and 2,308,949.12

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Solution

The fourth proportional to 3,940,932.26, 5,438,546.88 and 2,308,949.12 is: 3,186,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,932.26 : 5,438,546.88 = 2,308,949.12 : x
  2. Step 2: Convert to fraction form
    3,940,932.26/5,438,546.88 = 2,308,949.12/x
  3. Step 3: Cross multiply
    3,940,932.26x = 5,438,546.88 × 2,308,949.12
  4. Step 4: Simplify right side
    3,940,932.26x = 12,557,328,032,654.75
  5. Step 5: Solve for x
    x = 12,557,328,032,654.75/3,940,932.26
  6. Step 6: Final answer
    x = 3,186,385.15

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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.