Home / 6,320,589.05-8,719,199.49-3,839,149.39

Finding the Fourth Proportional to 6,320,589.05, 8,719,199.49 and 3,839,149.39

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Solution

The fourth proportional to 6,320,589.05, 8,719,199.49 and 3,839,149.39 is: 5,296,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,589.05 : 8,719,199.49 = 3,839,149.39 : x
  2. Step 2: Convert to fraction form
    6,320,589.05/8,719,199.49 = 3,839,149.39/x
  3. Step 3: Cross multiply
    6,320,589.05x = 8,719,199.49 × 3,839,149.39
  4. Step 4: Simplify right side
    6,320,589.05x = 33,474,309,403,321.81
  5. Step 5: Solve for x
    x = 33,474,309,403,321.81/6,320,589.05
  6. Step 6: Final answer
    x = 5,296,074.33

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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.