Home / 3,960,079.92-5,930,072.10-3,318,697.08

Finding the Fourth Proportional to 3,960,079.92, 5,930,072.10 and 3,318,697.08

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Solution

The fourth proportional to 3,960,079.92, 5,930,072.10 and 3,318,697.08 is: 4,969,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,079.92 : 5,930,072.10 = 3,318,697.08 : x
  2. Step 2: Convert to fraction form
    3,960,079.92/5,930,072.10 = 3,318,697.08/x
  3. Step 3: Cross multiply
    3,960,079.92x = 5,930,072.10 × 3,318,697.08
  4. Step 4: Simplify right side
    3,960,079.92x = 19,680,112,962,459.47
  5. Step 5: Solve for x
    x = 19,680,112,962,459.47/3,960,079.92
  6. Step 6: Final answer
    x = 4,969,625.20

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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.