Home / 2,857,278.30-3,942,917.56-1,568,121.18

Finding the Fourth Proportional to 2,857,278.30, 3,942,917.56 and 1,568,121.18

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Solution

The fourth proportional to 2,857,278.30, 3,942,917.56 and 1,568,121.18 is: 2,163,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,278.30 : 3,942,917.56 = 1,568,121.18 : x
  2. Step 2: Convert to fraction form
    2,857,278.30/3,942,917.56 = 1,568,121.18/x
  3. Step 3: Cross multiply
    2,857,278.30x = 3,942,917.56 × 1,568,121.18
  4. Step 4: Simplify right side
    2,857,278.30x = 6,182,972,536,829.92
  5. Step 5: Solve for x
    x = 6,182,972,536,829.92/2,857,278.30
  6. Step 6: Final answer
    x = 2,163,937.81

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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.