Home / 2,132,631.06-3,198,946.54-712,687.11

Finding the Fourth Proportional to 2,132,631.06, 3,198,946.54 and 712,687.11

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Solution

The fourth proportional to 2,132,631.06, 3,198,946.54 and 712,687.11 is: 1,069,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,631.06 : 3,198,946.54 = 712,687.11 : x
  2. Step 2: Convert to fraction form
    2,132,631.06/3,198,946.54 = 712,687.11/x
  3. Step 3: Cross multiply
    2,132,631.06x = 3,198,946.54 × 712,687.11
  4. Step 4: Simplify right side
    2,132,631.06x = 2,279,847,964,637.10
  5. Step 5: Solve for x
    x = 2,279,847,964,637.10/2,132,631.06
  6. Step 6: Final answer
    x = 1,069,030.65

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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.