Home / 3,431,981-5,149,399.26-1,511,909.48

Finding the Fourth Proportional to 3,431,981, 5,149,399.26 and 1,511,909.48

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Solution

The fourth proportional to 3,431,981, 5,149,399.26 and 1,511,909.48 is: 2,268,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,981 : 5,149,399.26 = 1,511,909.48 : x
  2. Step 2: Convert to fraction form
    3,431,981/5,149,399.26 = 1,511,909.48/x
  3. Step 3: Cross multiply
    3,431,981x = 5,149,399.26 × 1,511,909.48
  4. Step 4: Simplify right side
    3,431,981x = 7,785,425,557,498.99
  5. Step 5: Solve for x
    x = 7,785,425,557,498.99/3,431,981
  6. Step 6: Final answer
    x = 2,268,493.20

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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.