Home / 5,105,400.17-7,660,361.72-2,675,976.05

Finding the Fourth Proportional to 5,105,400.17, 7,660,361.72 and 2,675,976.05

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Solution

The fourth proportional to 5,105,400.17, 7,660,361.72 and 2,675,976.05 is: 4,015,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,400.17 : 7,660,361.72 = 2,675,976.05 : x
  2. Step 2: Convert to fraction form
    5,105,400.17/7,660,361.72 = 2,675,976.05/x
  3. Step 3: Cross multiply
    5,105,400.17x = 7,660,361.72 × 2,675,976.05
  4. Step 4: Simplify right side
    5,105,400.17x = 20,498,944,445,375.12
  5. Step 5: Solve for x
    x = 20,498,944,445,375.12/5,105,400.17
  6. Step 6: Final answer
    x = 4,015,149.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.