Home / 2,639,502.50-3,642,523.17-1,432,278.50

Finding the Fourth Proportional to 2,639,502.50, 3,642,523.17 and 1,432,278.50

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Solution

The fourth proportional to 2,639,502.50, 3,642,523.17 and 1,432,278.50 is: 1,976,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,502.50 : 3,642,523.17 = 1,432,278.50 : x
  2. Step 2: Convert to fraction form
    2,639,502.50/3,642,523.17 = 1,432,278.50/x
  3. Step 3: Cross multiply
    2,639,502.50x = 3,642,523.17 × 1,432,278.50
  4. Step 4: Simplify right side
    2,639,502.50x = 5,217,107,622,142.85
  5. Step 5: Solve for x
    x = 5,217,107,622,142.85/2,639,502.50
  6. Step 6: Final answer
    x = 1,976,549.60

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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.