Home / 1,941,906.12-2,912,854.92-521,962.20

Finding the Fourth Proportional to 1,941,906.12, 2,912,854.92 and 521,962.20

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Solution

The fourth proportional to 1,941,906.12, 2,912,854.92 and 521,962.20 is: 782,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,906.12 : 2,912,854.92 = 521,962.20 : x
  2. Step 2: Convert to fraction form
    1,941,906.12/2,912,854.92 = 521,962.20/x
  3. Step 3: Cross multiply
    1,941,906.12x = 2,912,854.92 × 521,962.20
  4. Step 4: Simplify right side
    1,941,906.12x = 1,520,400,162,324.02
  5. Step 5: Solve for x
    x = 1,520,400,162,324.02/1,941,906.12
  6. Step 6: Final answer
    x = 782,942.15

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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.