Home / 5,270,515.20-7,913,145.60-3,279,859.20

Finding the Fourth Proportional to 5,270,515.20, 7,913,145.60 and 3,279,859.20

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Solution

The fourth proportional to 5,270,515.20, 7,913,145.60 and 3,279,859.20 is: 4,924,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,515.20 : 7,913,145.60 = 3,279,859.20 : x
  2. Step 2: Convert to fraction form
    5,270,515.20/7,913,145.60 = 3,279,859.20/x
  3. Step 3: Cross multiply
    5,270,515.20x = 7,913,145.60 × 3,279,859.20
  4. Step 4: Simplify right side
    5,270,515.20x = 25,954,003,397,099.52
  5. Step 5: Solve for x
    x = 25,954,003,397,099.52/5,270,515.20
  6. Step 6: Final answer
    x = 4,924,376.92

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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.