Home / 2,154,189.88-3,231,838.46-806,371.89

Finding the Fourth Proportional to 2,154,189.88, 3,231,838.46 and 806,371.89

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Solution

The fourth proportional to 2,154,189.88, 3,231,838.46 and 806,371.89 is: 1,209,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,189.88 : 3,231,838.46 = 806,371.89 : x
  2. Step 2: Convert to fraction form
    2,154,189.88/3,231,838.46 = 806,371.89/x
  3. Step 3: Cross multiply
    2,154,189.88x = 3,231,838.46 × 806,371.89
  4. Step 4: Simplify right side
    2,154,189.88x = 2,606,063,687,164.89
  5. Step 5: Solve for x
    x = 2,606,063,687,164.89/2,154,189.88
  6. Step 6: Final answer
    x = 1,209,765.08

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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.