Home / 3,969,423.48-5,948,619.12-2,072,380.80

Finding the Fourth Proportional to 3,969,423.48, 5,948,619.12 and 2,072,380.80

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Solution

The fourth proportional to 3,969,423.48, 5,948,619.12 and 2,072,380.80 is: 3,105,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,423.48 : 5,948,619.12 = 2,072,380.80 : x
  2. Step 2: Convert to fraction form
    3,969,423.48/5,948,619.12 = 2,072,380.80/x
  3. Step 3: Cross multiply
    3,969,423.48x = 5,948,619.12 × 2,072,380.80
  4. Step 4: Simplify right side
    3,969,423.48x = 12,327,804,050,800.90
  5. Step 5: Solve for x
    x = 12,327,804,050,800.90/3,969,423.48
  6. Step 6: Final answer
    x = 3,105,691.32

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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.