Home / 3,896,471.78-5,377,297.13-2,177,592.27

Finding the Fourth Proportional to 3,896,471.78, 5,377,297.13 and 2,177,592.27

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Solution

The fourth proportional to 3,896,471.78, 5,377,297.13 and 2,177,592.27 is: 3,005,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,471.78 : 5,377,297.13 = 2,177,592.27 : x
  2. Step 2: Convert to fraction form
    3,896,471.78/5,377,297.13 = 2,177,592.27/x
  3. Step 3: Cross multiply
    3,896,471.78x = 5,377,297.13 × 2,177,592.27
  4. Step 4: Simplify right side
    3,896,471.78x = 11,709,560,663,781.19
  5. Step 5: Solve for x
    x = 11,709,560,663,781.19/3,896,471.78
  6. Step 6: Final answer
    x = 3,005,170.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.