Home / 3,679,609.20-5,519,413.80-2,881,572.90

Finding the Fourth Proportional to 3,679,609.20, 5,519,413.80 and 2,881,572.90

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Solution

The fourth proportional to 3,679,609.20, 5,519,413.80 and 2,881,572.90 is: 4,322,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,609.20 : 5,519,413.80 = 2,881,572.90 : x
  2. Step 2: Convert to fraction form
    3,679,609.20/5,519,413.80 = 2,881,572.90/x
  3. Step 3: Cross multiply
    3,679,609.20x = 5,519,413.80 × 2,881,572.90
  4. Step 4: Simplify right side
    3,679,609.20x = 15,904,593,229,966.02
  5. Step 5: Solve for x
    x = 15,904,593,229,966.02/3,679,609.20
  6. Step 6: Final answer
    x = 4,322,359.35

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Similar ratio
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1.5x scale

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.