Home / 3,914,552.64-5,402,127.96-2,172,257.76

Finding the Fourth Proportional to 3,914,552.64, 5,402,127.96 and 2,172,257.76

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Solution

The fourth proportional to 3,914,552.64, 5,402,127.96 and 2,172,257.76 is: 2,997,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,552.64 : 5,402,127.96 = 2,172,257.76 : x
  2. Step 2: Convert to fraction form
    3,914,552.64/5,402,127.96 = 2,172,257.76/x
  3. Step 3: Cross multiply
    3,914,552.64x = 5,402,127.96 × 2,172,257.76
  4. Step 4: Simplify right side
    3,914,552.64x = 11,734,814,381,622.97
  5. Step 5: Solve for x
    x = 11,734,814,381,622.97/3,914,552.64
  6. Step 6: Final answer
    x = 2,997,740.86

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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.