Home / 2,639,686.22-3,642,766.98-1,432,462.22

Finding the Fourth Proportional to 2,639,686.22, 3,642,766.98 and 1,432,462.22

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Solution

The fourth proportional to 2,639,686.22, 3,642,766.98 and 1,432,462.22 is: 1,976,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,686.22 : 3,642,766.98 = 1,432,462.22 : x
  2. Step 2: Convert to fraction form
    2,639,686.22/3,642,766.98 = 1,432,462.22/x
  3. Step 3: Cross multiply
    2,639,686.22x = 3,642,766.98 × 1,432,462.22
  4. Step 4: Simplify right side
    2,639,686.22x = 5,218,126,073,245.90
  5. Step 5: Solve for x
    x = 5,218,126,073,245.90/2,639,686.22
  6. Step 6: Final answer
    x = 1,976,797.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.