Home / 5,278,546.40-7,917,819.60-3,934,853.60

Finding the Fourth Proportional to 5,278,546.40, 7,917,819.60 and 3,934,853.60

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Solution

The fourth proportional to 5,278,546.40, 7,917,819.60 and 3,934,853.60 is: 5,902,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,546.40 : 7,917,819.60 = 3,934,853.60 : x
  2. Step 2: Convert to fraction form
    5,278,546.40/7,917,819.60 = 3,934,853.60/x
  3. Step 3: Cross multiply
    5,278,546.40x = 7,917,819.60 × 3,934,853.60
  4. Step 4: Simplify right side
    5,278,546.40x = 31,155,460,957,210.56
  5. Step 5: Solve for x
    x = 31,155,460,957,210.56/5,278,546.40
  6. Step 6: Final answer
    x = 5,902,280.40

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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.