Home / 1,981,753.20-2,734,728.03-1,122,319.71

Finding the Fourth Proportional to 1,981,753.20, 2,734,728.03 and 1,122,319.71

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Solution

The fourth proportional to 1,981,753.20, 2,734,728.03 and 1,122,319.71 is: 1,548,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,753.20 : 2,734,728.03 = 1,122,319.71 : x
  2. Step 2: Convert to fraction form
    1,981,753.20/2,734,728.03 = 1,122,319.71/x
  3. Step 3: Cross multiply
    1,981,753.20x = 2,734,728.03 × 1,122,319.71
  4. Step 4: Simplify right side
    1,981,753.20x = 3,069,239,169,558.47
  5. Step 5: Solve for x
    x = 3,069,239,169,558.47/1,981,753.20
  6. Step 6: Final answer
    x = 1,548,749.45

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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.