Home / 1,982,397.60-2,735,620.38-1,122,940.44

Finding the Fourth Proportional to 1,982,397.60, 2,735,620.38 and 1,122,940.44

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Solution

The fourth proportional to 1,982,397.60, 2,735,620.38 and 1,122,940.44 is: 1,549,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,397.60 : 2,735,620.38 = 1,122,940.44 : x
  2. Step 2: Convert to fraction form
    1,982,397.60/2,735,620.38 = 1,122,940.44/x
  3. Step 3: Cross multiply
    1,982,397.60x = 2,735,620.38 × 1,122,940.44
  4. Step 4: Simplify right side
    1,982,397.60x = 3,071,938,753,190.17
  5. Step 5: Solve for x
    x = 3,071,938,753,190.17/1,982,397.60
  6. Step 6: Final answer
    x = 1,549,607.78

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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.