Home / 3,972,235.20-5,960,815.20-2,080,334.40

Finding the Fourth Proportional to 3,972,235.20, 5,960,815.20 and 2,080,334.40

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Solution

The fourth proportional to 3,972,235.20, 5,960,815.20 and 2,080,334.40 is: 3,121,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,235.20 : 5,960,815.20 = 2,080,334.40 : x
  2. Step 2: Convert to fraction form
    3,972,235.20/5,960,815.20 = 2,080,334.40/x
  3. Step 3: Cross multiply
    3,972,235.20x = 5,960,815.20 × 2,080,334.40
  4. Step 4: Simplify right side
    3,972,235.20x = 12,400,488,912,602.88
  5. Step 5: Solve for x
    x = 12,400,488,912,602.88/3,972,235.20
  6. Step 6: Final answer
    x = 3,121,791.21

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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.