Home / 1,988,577.78-2,744,245.17-1,083,151.86

Finding the Fourth Proportional to 1,988,577.78, 2,744,245.17 and 1,083,151.86

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Solution

The fourth proportional to 1,988,577.78, 2,744,245.17 and 1,083,151.86 is: 1,494,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,577.78 : 2,744,245.17 = 1,083,151.86 : x
  2. Step 2: Convert to fraction form
    1,988,577.78/2,744,245.17 = 1,083,151.86/x
  3. Step 3: Cross multiply
    1,988,577.78x = 2,744,245.17 × 1,083,151.86
  4. Step 4: Simplify right side
    1,988,577.78x = 2,972,434,260,181.52
  5. Step 5: Solve for x
    x = 2,972,434,260,181.52/1,988,577.78
  6. Step 6: Final answer
    x = 1,494,753.83

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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.