Home / 3,115,003.06-4,297,891.80-1,825,150.42

Finding the Fourth Proportional to 3,115,003.06, 4,297,891.80 and 1,825,150.42

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Solution

The fourth proportional to 3,115,003.06, 4,297,891.80 and 1,825,150.42 is: 2,518,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,003.06 : 4,297,891.80 = 1,825,150.42 : x
  2. Step 2: Convert to fraction form
    3,115,003.06/4,297,891.80 = 1,825,150.42/x
  3. Step 3: Cross multiply
    3,115,003.06x = 4,297,891.80 × 1,825,150.42
  4. Step 4: Simplify right side
    3,115,003.06x = 7,844,299,023,884.56
  5. Step 5: Solve for x
    x = 7,844,299,023,884.56/3,115,003.06
  6. Step 6: Final answer
    x = 2,518,231.56

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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.