Home / 3,672,220.80-5,508,331.20-2,179,228.80

Finding the Fourth Proportional to 3,672,220.80, 5,508,331.20 and 2,179,228.80

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Solution

The fourth proportional to 3,672,220.80, 5,508,331.20 and 2,179,228.80 is: 3,268,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,220.80 : 5,508,331.20 = 2,179,228.80 : x
  2. Step 2: Convert to fraction form
    3,672,220.80/5,508,331.20 = 2,179,228.80/x
  3. Step 3: Cross multiply
    3,672,220.80x = 5,508,331.20 × 2,179,228.80
  4. Step 4: Simplify right side
    3,672,220.80x = 12,003,913,990,978.56
  5. Step 5: Solve for x
    x = 12,003,913,990,978.56/3,672,220.80
  6. Step 6: Final answer
    x = 3,268,843.20

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Double scale
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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.