Home / 6,138,868.31-9,206,731.23-1,819,908.57

Finding the Fourth Proportional to 6,138,868.31, 9,206,731.23 and 1,819,908.57

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Solution

The fourth proportional to 6,138,868.31, 9,206,731.23 and 1,819,908.57 is: 2,729,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,868.31 : 9,206,731.23 = 1,819,908.57 : x
  2. Step 2: Convert to fraction form
    6,138,868.31/9,206,731.23 = 1,819,908.57/x
  3. Step 3: Cross multiply
    6,138,868.31x = 9,206,731.23 × 1,819,908.57
  4. Step 4: Simplify right side
    6,138,868.31x = 16,755,409,067,163.64
  5. Step 5: Solve for x
    x = 16,755,409,067,163.64/6,138,868.31
  6. Step 6: Final answer
    x = 2,729,397.05

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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.