Home / 2,086,971.94-3,129,954.39-871,892.18

Finding the Fourth Proportional to 2,086,971.94, 3,129,954.39 and 871,892.18

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Solution

The fourth proportional to 2,086,971.94, 3,129,954.39 and 871,892.18 is: 1,307,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,971.94 : 3,129,954.39 = 871,892.18 : x
  2. Step 2: Convert to fraction form
    2,086,971.94/3,129,954.39 = 871,892.18/x
  3. Step 3: Cross multiply
    2,086,971.94x = 3,129,954.39 × 871,892.18
  4. Step 4: Simplify right side
    2,086,971.94x = 2,728,982,756,397.67
  5. Step 5: Solve for x
    x = 2,728,982,756,397.67/2,086,971.94
  6. Step 6: Final answer
    x = 1,307,627.91

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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.