Home / 1,981,645.57-2,734,839.53-1,122,358.69

Finding the Fourth Proportional to 1,981,645.57, 2,734,839.53 and 1,122,358.69

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Solution

The fourth proportional to 1,981,645.57, 2,734,839.53 and 1,122,358.69 is: 1,548,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,645.57 : 2,734,839.53 = 1,122,358.69 : x
  2. Step 2: Convert to fraction form
    1,981,645.57/2,734,839.53 = 1,122,358.69/x
  3. Step 3: Cross multiply
    1,981,645.57x = 2,734,839.53 × 1,122,358.69
  4. Step 4: Simplify right side
    1,981,645.57x = 3,069,470,912,251.02
  5. Step 5: Solve for x
    x = 3,069,470,912,251.02/1,981,645.57
  6. Step 6: Final answer
    x = 1,548,950.51

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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.