Home / 3,270,218.80-4,906,105.80-1,375,985.20

Finding the Fourth Proportional to 3,270,218.80, 4,906,105.80 and 1,375,985.20

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Solution

The fourth proportional to 3,270,218.80, 4,906,105.80 and 1,375,985.20 is: 2,064,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,218.80 : 4,906,105.80 = 1,375,985.20 : x
  2. Step 2: Convert to fraction form
    3,270,218.80/4,906,105.80 = 1,375,985.20/x
  3. Step 3: Cross multiply
    3,270,218.80x = 4,906,105.80 × 1,375,985.20
  4. Step 4: Simplify right side
    3,270,218.80x = 6,750,728,970,434.16
  5. Step 5: Solve for x
    x = 6,750,728,970,434.16/3,270,218.80
  6. Step 6: Final answer
    x = 2,064,304.98

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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.