Home / 2,220,906.30-3,331,359.45-538,009.80

Finding the Fourth Proportional to 2,220,906.30, 3,331,359.45 and 538,009.80

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Solution

The fourth proportional to 2,220,906.30, 3,331,359.45 and 538,009.80 is: 807,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,906.30 : 3,331,359.45 = 538,009.80 : x
  2. Step 2: Convert to fraction form
    2,220,906.30/3,331,359.45 = 538,009.80/x
  3. Step 3: Cross multiply
    2,220,906.30x = 3,331,359.45 × 538,009.80
  4. Step 4: Simplify right side
    2,220,906.30x = 1,792,304,031,422.61
  5. Step 5: Solve for x
    x = 1,792,304,031,422.61/2,220,906.30
  6. Step 6: Final answer
    x = 807,014.70

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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.