Home / 3,826,872-5,280,845.76-2,107,896.48

Finding the Fourth Proportional to 3,826,872, 5,280,845.76 and 2,107,896.48

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Solution

The fourth proportional to 3,826,872, 5,280,845.76 and 2,107,896.48 is: 2,908,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,872 : 5,280,845.76 = 2,107,896.48 : x
  2. Step 2: Convert to fraction form
    3,826,872/5,280,845.76 = 2,107,896.48/x
  3. Step 3: Cross multiply
    3,826,872x = 5,280,845.76 × 2,107,896.48
  4. Step 4: Simplify right side
    3,826,872x = 11,131,476,188,926.92
  5. Step 5: Solve for x
    x = 11,131,476,188,926.92/3,826,872
  6. Step 6: Final answer
    x = 2,908,766.27

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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.