Home / 3,618,198.08-5,426,146.22-1,188,791.39

Finding the Fourth Proportional to 3,618,198.08, 5,426,146.22 and 1,188,791.39

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Solution

The fourth proportional to 3,618,198.08, 5,426,146.22 and 1,188,791.39 is: 1,782,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,198.08 : 5,426,146.22 = 1,188,791.39 : x
  2. Step 2: Convert to fraction form
    3,618,198.08/5,426,146.22 = 1,188,791.39/x
  3. Step 3: Cross multiply
    3,618,198.08x = 5,426,146.22 × 1,188,791.39
  4. Step 4: Simplify right side
    3,618,198.08x = 6,450,555,874,142.36
  5. Step 5: Solve for x
    x = 6,450,555,874,142.36/3,618,198.08
  6. Step 6: Final answer
    x = 1,782,808.94

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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.