Home / 2,202,429.42-3,040,655.76-1,387,331.82

Finding the Fourth Proportional to 2,202,429.42, 3,040,655.76 and 1,387,331.82

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Solution

The fourth proportional to 2,202,429.42, 3,040,655.76 and 1,387,331.82 is: 1,915,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,429.42 : 3,040,655.76 = 1,387,331.82 : x
  2. Step 2: Convert to fraction form
    2,202,429.42/3,040,655.76 = 1,387,331.82/x
  3. Step 3: Cross multiply
    2,202,429.42x = 3,040,655.76 × 1,387,331.82
  4. Step 4: Simplify right side
    2,202,429.42x = 4,218,398,489,514.28
  5. Step 5: Solve for x
    x = 4,218,398,489,514.28/2,202,429.42
  6. Step 6: Final answer
    x = 1,915,338.79

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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.