Home / 2,132,630.48-3,198,945.72-712,686.56

Finding the Fourth Proportional to 2,132,630.48, 3,198,945.72 and 712,686.56

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Solution

The fourth proportional to 2,132,630.48, 3,198,945.72 and 712,686.56 is: 1,069,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,630.48 : 3,198,945.72 = 712,686.56 : x
  2. Step 2: Convert to fraction form
    2,132,630.48/3,198,945.72 = 712,686.56/x
  3. Step 3: Cross multiply
    2,132,630.48x = 3,198,945.72 × 712,686.56
  4. Step 4: Simplify right side
    2,132,630.48x = 2,279,845,620,813.52
  5. Step 5: Solve for x
    x = 2,279,845,620,813.52/2,132,630.48
  6. Step 6: Final answer
    x = 1,069,029.84

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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.