Home / 3,159,862.20-4,739,793.30-1,386,934.20

Finding the Fourth Proportional to 3,159,862.20, 4,739,793.30 and 1,386,934.20

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Solution

The fourth proportional to 3,159,862.20, 4,739,793.30 and 1,386,934.20 is: 2,080,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,862.20 : 4,739,793.30 = 1,386,934.20 : x
  2. Step 2: Convert to fraction form
    3,159,862.20/4,739,793.30 = 1,386,934.20/x
  3. Step 3: Cross multiply
    3,159,862.20x = 4,739,793.30 × 1,386,934.20
  4. Step 4: Simplify right side
    3,159,862.20x = 6,573,781,428,700.86
  5. Step 5: Solve for x
    x = 6,573,781,428,700.86/3,159,862.20
  6. Step 6: Final answer
    x = 2,080,401.30

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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.