Home / 1,981,724.40-2,734,843.68-1,122,266.16

Finding the Fourth Proportional to 1,981,724.40, 2,734,843.68 and 1,122,266.16

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Solution

The fourth proportional to 1,981,724.40, 2,734,843.68 and 1,122,266.16 is: 1,548,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,724.40 : 2,734,843.68 = 1,122,266.16 : x
  2. Step 2: Convert to fraction form
    1,981,724.40/2,734,843.68 = 1,122,266.16/x
  3. Step 3: Cross multiply
    1,981,724.40x = 2,734,843.68 × 1,122,266.16
  4. Step 4: Simplify right side
    1,981,724.40x = 3,069,222,514,953.87
  5. Step 5: Solve for x
    x = 3,069,222,514,953.87/1,981,724.40
  6. Step 6: Final answer
    x = 1,548,763.55

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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.