Home / 3,975,287.20-5,962,930.80-2,715,575.20

Finding the Fourth Proportional to 3,975,287.20, 5,962,930.80 and 2,715,575.20

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Solution

The fourth proportional to 3,975,287.20, 5,962,930.80 and 2,715,575.20 is: 4,073,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,287.20 : 5,962,930.80 = 2,715,575.20 : x
  2. Step 2: Convert to fraction form
    3,975,287.20/5,962,930.80 = 2,715,575.20/x
  3. Step 3: Cross multiply
    3,975,287.20x = 5,962,930.80 × 2,715,575.20
  4. Step 4: Simplify right side
    3,975,287.20x = 16,192,786,999,796.16
  5. Step 5: Solve for x
    x = 16,192,786,999,796.16/3,975,287.20
  6. Step 6: Final answer
    x = 4,073,362.80

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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.