Home / 2,154,114.43-3,231,171.68-658,193.47

Finding the Fourth Proportional to 2,154,114.43, 3,231,171.68 and 658,193.47

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Solution

The fourth proportional to 2,154,114.43, 3,231,171.68 and 658,193.47 is: 987,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,114.43 : 3,231,171.68 = 658,193.47 : x
  2. Step 2: Convert to fraction form
    2,154,114.43/3,231,171.68 = 658,193.47/x
  3. Step 3: Cross multiply
    2,154,114.43x = 3,231,171.68 × 658,193.47
  4. Step 4: Simplify right side
    2,154,114.43x = 2,126,736,088,856.03
  5. Step 5: Solve for x
    x = 2,126,736,088,856.03/2,154,114.43
  6. Step 6: Final answer
    x = 987,290.21

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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.