Home / 2,883,239.20-4,325,247.60-990,560.80

Finding the Fourth Proportional to 2,883,239.20, 4,325,247.60 and 990,560.80

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Solution

The fourth proportional to 2,883,239.20, 4,325,247.60 and 990,560.80 is: 1,485,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883,239.20 : 4,325,247.60 = 990,560.80 : x
  2. Step 2: Convert to fraction form
    2,883,239.20/4,325,247.60 = 990,560.80/x
  3. Step 3: Cross multiply
    2,883,239.20x = 4,325,247.60 × 990,560.80
  4. Step 4: Simplify right side
    2,883,239.20x = 4,284,420,722,854.08
  5. Step 5: Solve for x
    x = 4,284,420,722,854.08/2,883,239.20
  6. Step 6: Final answer
    x = 1,485,974.78

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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.