Home / 1,981,612.44-2,734,793.82-1,122,325.56

Finding the Fourth Proportional to 1,981,612.44, 2,734,793.82 and 1,122,325.56

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Solution

The fourth proportional to 1,981,612.44, 2,734,793.82 and 1,122,325.56 is: 1,548,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,612.44 : 2,734,793.82 = 1,122,325.56 : x
  2. Step 2: Convert to fraction form
    1,981,612.44/2,734,793.82 = 1,122,325.56/x
  3. Step 3: Cross multiply
    1,981,612.44x = 2,734,793.82 × 1,122,325.56
  4. Step 4: Simplify right side
    1,981,612.44x = 3,069,329,005,516.04
  5. Step 5: Solve for x
    x = 3,069,329,005,516.04/1,981,612.44
  6. Step 6: Final answer
    x = 1,548,904.79

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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.