Home / 2,155,833.60-3,233,198.82-639,161.88

Finding the Fourth Proportional to 2,155,833.60, 3,233,198.82 and 639,161.88

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Solution

The fourth proportional to 2,155,833.60, 3,233,198.82 and 639,161.88 is: 958,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,833.60 : 3,233,198.82 = 639,161.88 : x
  2. Step 2: Convert to fraction form
    2,155,833.60/3,233,198.82 = 639,161.88/x
  3. Step 3: Cross multiply
    2,155,833.60x = 3,233,198.82 × 639,161.88
  4. Step 4: Simplify right side
    2,155,833.60x = 2,066,537,436,204.98
  5. Step 5: Solve for x
    x = 2,066,537,436,204.98/2,155,833.60
  6. Step 6: Final answer
    x = 958,579.29

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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.