Home / 3,896,178.86-5,376,734.12-2,177,299.38

Finding the Fourth Proportional to 3,896,178.86, 5,376,734.12 and 2,177,299.38

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Solution

The fourth proportional to 3,896,178.86, 5,376,734.12 and 2,177,299.38 is: 3,004,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,178.86 : 5,376,734.12 = 2,177,299.38 : x
  2. Step 2: Convert to fraction form
    3,896,178.86/5,376,734.12 = 2,177,299.38/x
  3. Step 3: Cross multiply
    3,896,178.86x = 5,376,734.12 × 2,177,299.38
  4. Step 4: Simplify right side
    3,896,178.86x = 11,706,759,865,900.85
  5. Step 5: Solve for x
    x = 11,706,759,865,900.85/3,896,178.86
  6. Step 6: Final answer
    x = 3,004,677.22

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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.