Home / 3,198,263.78-4,797,416.32-1,279,335.30

Finding the Fourth Proportional to 3,198,263.78, 4,797,416.32 and 1,279,335.30

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Solution

The fourth proportional to 3,198,263.78, 4,797,416.32 and 1,279,335.30 is: 1,919,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,263.78 : 4,797,416.32 = 1,279,335.30 : x
  2. Step 2: Convert to fraction form
    3,198,263.78/4,797,416.32 = 1,279,335.30/x
  3. Step 3: Cross multiply
    3,198,263.78x = 4,797,416.32 × 1,279,335.30
  4. Step 4: Simplify right side
    3,198,263.78x = 6,137,504,046,972.10
  5. Step 5: Solve for x
    x = 6,137,504,046,972.10/3,198,263.78
  6. Step 6: Final answer
    x = 1,919,011.21

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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.