Home / 5,220,104.80-7,830,142.56-1,433,591.20

Finding the Fourth Proportional to 5,220,104.80, 7,830,142.56 and 1,433,591.20

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Solution

The fourth proportional to 5,220,104.80, 7,830,142.56 and 1,433,591.20 is: 2,150,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,104.80 : 7,830,142.56 = 1,433,591.20 : x
  2. Step 2: Convert to fraction form
    5,220,104.80/7,830,142.56 = 1,433,591.20/x
  3. Step 3: Cross multiply
    5,220,104.80x = 7,830,142.56 × 1,433,591.20
  4. Step 4: Simplify right side
    5,220,104.80x = 11,225,223,468,761.47
  5. Step 5: Solve for x
    x = 11,225,223,468,761.47/5,220,104.80
  6. Step 6: Final answer
    x = 2,150,382.78

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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.