Home / 1,914,691.38-2,643,147.22-1,363,761.78

Finding the Fourth Proportional to 1,914,691.38, 2,643,147.22 and 1,363,761.78

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Solution

The fourth proportional to 1,914,691.38, 2,643,147.22 and 1,363,761.78 is: 1,882,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,691.38 : 2,643,147.22 = 1,363,761.78 : x
  2. Step 2: Convert to fraction form
    1,914,691.38/2,643,147.22 = 1,363,761.78/x
  3. Step 3: Cross multiply
    1,914,691.38x = 2,643,147.22 × 1,363,761.78
  4. Step 4: Simplify right side
    1,914,691.38x = 3,604,623,157,549.25
  5. Step 5: Solve for x
    x = 3,604,623,157,549.25/1,914,691.38
  6. Step 6: Final answer
    x = 1,882,613.14

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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.