Home / 2,278,672.70-3,417,571.65-681,287.90

Finding the Fourth Proportional to 2,278,672.70, 3,417,571.65 and 681,287.90

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Solution

The fourth proportional to 2,278,672.70, 3,417,571.65 and 681,287.90 is: 1,021,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,672.70 : 3,417,571.65 = 681,287.90 : x
  2. Step 2: Convert to fraction form
    2,278,672.70/3,417,571.65 = 681,287.90/x
  3. Step 3: Cross multiply
    2,278,672.70x = 3,417,571.65 × 681,287.90
  4. Step 4: Simplify right side
    2,278,672.70x = 2,328,350,212,528.04
  5. Step 5: Solve for x
    x = 2,328,350,212,528.04/2,278,672.70
  6. Step 6: Final answer
    x = 1,021,801.07

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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.