Home / 5,338,528.38-7,367,129.88-2,891,082.66

Finding the Fourth Proportional to 5,338,528.38, 7,367,129.88 and 2,891,082.66

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Solution

The fourth proportional to 5,338,528.38, 7,367,129.88 and 2,891,082.66 is: 3,989,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,528.38 : 7,367,129.88 = 2,891,082.66 : x
  2. Step 2: Convert to fraction form
    5,338,528.38/7,367,129.88 = 2,891,082.66/x
  3. Step 3: Cross multiply
    5,338,528.38x = 7,367,129.88 × 2,891,082.66
  4. Step 4: Simplify right side
    5,338,528.38x = 21,298,981,418,621.01
  5. Step 5: Solve for x
    x = 21,298,981,418,621.01/5,338,528.38
  6. Step 6: Final answer
    x = 3,989,672.79

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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.