Home / 2,202,394.32-3,040,607.16-1,387,296.72

Finding the Fourth Proportional to 2,202,394.32, 3,040,607.16 and 1,387,296.72

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Solution

The fourth proportional to 2,202,394.32, 3,040,607.16 and 1,387,296.72 is: 1,915,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,394.32 : 3,040,607.16 = 1,387,296.72 : x
  2. Step 2: Convert to fraction form
    2,202,394.32/3,040,607.16 = 1,387,296.72/x
  3. Step 3: Cross multiply
    2,202,394.32x = 3,040,607.16 × 1,387,296.72
  4. Step 4: Simplify right side
    2,202,394.32x = 4,218,224,339,876.52
  5. Step 5: Solve for x
    x = 4,218,224,339,876.52/2,202,394.32
  6. Step 6: Final answer
    x = 1,915,290.24

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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.