Home / 2,132,619.73-3,198,929.61-712,675.81

Finding the Fourth Proportional to 2,132,619.73, 3,198,929.61 and 712,675.81

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Solution

The fourth proportional to 2,132,619.73, 3,198,929.61 and 712,675.81 is: 1,069,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,619.73 : 3,198,929.61 = 712,675.81 : x
  2. Step 2: Convert to fraction form
    2,132,619.73/3,198,929.61 = 712,675.81/x
  3. Step 3: Cross multiply
    2,132,619.73x = 3,198,929.61 × 712,675.81
  4. Step 4: Simplify right side
    2,132,619.73x = 2,279,799,751,352.83
  5. Step 5: Solve for x
    x = 2,279,799,751,352.83/2,132,619.73
  6. Step 6: Final answer
    x = 1,069,013.72

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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.