Home / 3,747,908.84-5,612,799.90-2,145,612.20

Finding the Fourth Proportional to 3,747,908.84, 5,612,799.90 and 2,145,612.20

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Solution

The fourth proportional to 3,747,908.84, 5,612,799.90 and 2,145,612.20 is: 3,213,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,908.84 : 5,612,799.90 = 2,145,612.20 : x
  2. Step 2: Convert to fraction form
    3,747,908.84/5,612,799.90 = 2,145,612.20/x
  3. Step 3: Cross multiply
    3,747,908.84x = 5,612,799.90 × 2,145,612.20
  4. Step 4: Simplify right side
    3,747,908.84x = 12,042,891,941,598.78
  5. Step 5: Solve for x
    x = 12,042,891,941,598.78/3,747,908.84
  6. Step 6: Final answer
    x = 3,213,229.69

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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.