Home / 4,921,587.20-7,383,417.60-2,080,236.80

Finding the Fourth Proportional to 4,921,587.20, 7,383,417.60 and 2,080,236.80

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Solution

The fourth proportional to 4,921,587.20, 7,383,417.60 and 2,080,236.80 is: 3,120,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,587.20 : 7,383,417.60 = 2,080,236.80 : x
  2. Step 2: Convert to fraction form
    4,921,587.20/7,383,417.60 = 2,080,236.80/x
  3. Step 3: Cross multiply
    4,921,587.20x = 7,383,417.60 × 2,080,236.80
  4. Step 4: Simplify right side
    4,921,587.20x = 15,359,257,001,287.68
  5. Step 5: Solve for x
    x = 15,359,257,001,287.68/4,921,587.20
  6. Step 6: Final answer
    x = 3,120,793.43

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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.