Home / 2,132,621.60-3,198,932.42-712,677.67

Finding the Fourth Proportional to 2,132,621.60, 3,198,932.42 and 712,677.67

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Solution

The fourth proportional to 2,132,621.60, 3,198,932.42 and 712,677.67 is: 1,069,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,621.60 : 3,198,932.42 = 712,677.67 : x
  2. Step 2: Convert to fraction form
    2,132,621.60/3,198,932.42 = 712,677.67/x
  3. Step 3: Cross multiply
    2,132,621.60x = 3,198,932.42 × 712,677.67
  4. Step 4: Simplify right side
    2,132,621.60x = 2,279,807,692,012.34
  5. Step 5: Solve for x
    x = 2,279,807,692,012.34/2,132,621.60
  6. Step 6: Final answer
    x = 1,069,016.51

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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.