Home / 5,486,031.20-8,229,046.80-1,940,175.20

Finding the Fourth Proportional to 5,486,031.20, 8,229,046.80 and 1,940,175.20

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Solution

The fourth proportional to 5,486,031.20, 8,229,046.80 and 1,940,175.20 is: 2,910,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486,031.20 : 8,229,046.80 = 1,940,175.20 : x
  2. Step 2: Convert to fraction form
    5,486,031.20/8,229,046.80 = 1,940,175.20/x
  3. Step 3: Cross multiply
    5,486,031.20x = 8,229,046.80 × 1,940,175.20
  4. Step 4: Simplify right side
    5,486,031.20x = 15,965,792,520,999.36
  5. Step 5: Solve for x
    x = 15,965,792,520,999.36/5,486,031.20
  6. Step 6: Final answer
    x = 2,910,262.80

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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.