Home / 3,938,863.20-5,904,147.60-1,541,781.60

Finding the Fourth Proportional to 3,938,863.20, 5,904,147.60 and 1,541,781.60

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Solution

The fourth proportional to 3,938,863.20, 5,904,147.60 and 1,541,781.60 is: 2,311,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,863.20 : 5,904,147.60 = 1,541,781.60 : x
  2. Step 2: Convert to fraction form
    3,938,863.20/5,904,147.60 = 1,541,781.60/x
  3. Step 3: Cross multiply
    3,938,863.20x = 5,904,147.60 × 1,541,781.60
  4. Step 4: Simplify right side
    3,938,863.20x = 9,102,906,133,364.16
  5. Step 5: Solve for x
    x = 9,102,906,133,364.16/3,938,863.20
  6. Step 6: Final answer
    x = 2,311,049.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.