Home / 4,278,360.78-5,904,142.97-2,318,237.42

Finding the Fourth Proportional to 4,278,360.78, 5,904,142.97 and 2,318,237.42

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Solution

The fourth proportional to 4,278,360.78, 5,904,142.97 and 2,318,237.42 is: 3,199,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,360.78 : 5,904,142.97 = 2,318,237.42 : x
  2. Step 2: Convert to fraction form
    4,278,360.78/5,904,142.97 = 2,318,237.42/x
  3. Step 3: Cross multiply
    4,278,360.78x = 5,904,142.97 × 2,318,237.42
  4. Step 4: Simplify right side
    4,278,360.78x = 13,687,205,124,972.04
  5. Step 5: Solve for x
    x = 13,687,205,124,972.04/4,278,360.78
  6. Step 6: Final answer
    x = 3,199,170.39

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Double scale
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1.5x scale

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.