Home / 1,981,874.62-2,735,023.02-1,122,613.27

Finding the Fourth Proportional to 1,981,874.62, 2,735,023.02 and 1,122,613.27

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Solution

The fourth proportional to 1,981,874.62, 2,735,023.02 and 1,122,613.27 is: 1,549,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,874.62 : 2,735,023.02 = 1,122,613.27 : x
  2. Step 2: Convert to fraction form
    1,981,874.62/2,735,023.02 = 1,122,613.27/x
  3. Step 3: Cross multiply
    1,981,874.62x = 2,735,023.02 × 1,122,613.27
  4. Step 4: Simplify right side
    1,981,874.62x = 3,070,373,136,007.48
  5. Step 5: Solve for x
    x = 3,070,373,136,007.48/1,981,874.62
  6. Step 6: Final answer
    x = 1,549,226.73

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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.