Home / 5,480,608.10-8,220,912.15-1,491,520.10

Finding the Fourth Proportional to 5,480,608.10, 8,220,912.15 and 1,491,520.10

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Solution

The fourth proportional to 5,480,608.10, 8,220,912.15 and 1,491,520.10 is: 2,237,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,608.10 : 8,220,912.15 = 1,491,520.10 : x
  2. Step 2: Convert to fraction form
    5,480,608.10/8,220,912.15 = 1,491,520.10/x
  3. Step 3: Cross multiply
    5,480,608.10x = 8,220,912.15 × 1,491,520.10
  4. Step 4: Simplify right side
    5,480,608.10x = 12,261,655,712,059.22
  5. Step 5: Solve for x
    x = 12,261,655,712,059.22/5,480,608.10
  6. Step 6: Final answer
    x = 2,237,280.15

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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.