Home / 1,981,354.62-2,734,279.83-1,122,082.14

Finding the Fourth Proportional to 1,981,354.62, 2,734,279.83 and 1,122,082.14

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Solution

The fourth proportional to 1,981,354.62, 2,734,279.83 and 1,122,082.14 is: 1,548,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,354.62 : 2,734,279.83 = 1,122,082.14 : x
  2. Step 2: Convert to fraction form
    1,981,354.62/2,734,279.83 = 1,122,082.14/x
  3. Step 3: Cross multiply
    1,981,354.62x = 2,734,279.83 × 1,122,082.14
  4. Step 4: Simplify right side
    1,981,354.62x = 3,068,086,563,005.24
  5. Step 5: Solve for x
    x = 3,068,086,563,005.24/1,981,354.62
  6. Step 6: Final answer
    x = 1,548,479.27

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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.