Home / 3,749,213.61-5,172,449.97-2,179,084.56

Finding the Fourth Proportional to 3,749,213.61, 5,172,449.97 and 2,179,084.56

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Solution

The fourth proportional to 3,749,213.61, 5,172,449.97 and 2,179,084.56 is: 3,006,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,213.61 : 5,172,449.97 = 2,179,084.56 : x
  2. Step 2: Convert to fraction form
    3,749,213.61/5,172,449.97 = 2,179,084.56/x
  3. Step 3: Cross multiply
    3,749,213.61x = 5,172,449.97 × 2,179,084.56
  4. Step 4: Simplify right side
    3,749,213.61x = 11,271,205,866,999.46
  5. Step 5: Solve for x
    x = 11,271,205,866,999.46/3,749,213.61
  6. Step 6: Final answer
    x = 3,006,285.33

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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.