Home / 3,894,143.68-5,373,917.96-2,175,264.18

Finding the Fourth Proportional to 3,894,143.68, 5,373,917.96 and 2,175,264.18

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Solution

The fourth proportional to 3,894,143.68, 5,373,917.96 and 2,175,264.18 is: 3,001,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,143.68 : 5,373,917.96 = 2,175,264.18 : x
  2. Step 2: Convert to fraction form
    3,894,143.68/5,373,917.96 = 2,175,264.18/x
  3. Step 3: Cross multiply
    3,894,143.68x = 5,373,917.96 × 2,175,264.18
  4. Step 4: Simplify right side
    3,894,143.68x = 11,689,691,244,646.67
  5. Step 5: Solve for x
    x = 11,689,691,244,646.67/3,894,143.68
  6. Step 6: Final answer
    x = 3,001,864.39

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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.