Home / 2,132,619.53-3,198,929.31-712,675.61

Finding the Fourth Proportional to 2,132,619.53, 3,198,929.31 and 712,675.61

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Solution

The fourth proportional to 2,132,619.53, 3,198,929.31 and 712,675.61 is: 1,069,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,619.53 : 3,198,929.31 = 712,675.61 : x
  2. Step 2: Convert to fraction form
    2,132,619.53/3,198,929.31 = 712,675.61/x
  3. Step 3: Cross multiply
    2,132,619.53x = 3,198,929.31 × 712,675.61
  4. Step 4: Simplify right side
    2,132,619.53x = 2,279,798,905,348.45
  5. Step 5: Solve for x
    x = 2,279,798,905,348.45/2,132,619.53
  6. Step 6: Final answer
    x = 1,069,013.42

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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.