Home / 2,198,631.36-3,034,198.32-1,231,769.60

Finding the Fourth Proportional to 2,198,631.36, 3,034,198.32 and 1,231,769.60

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Solution

The fourth proportional to 2,198,631.36, 3,034,198.32 and 1,231,769.60 is: 1,699,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,631.36 : 3,034,198.32 = 1,231,769.60 : x
  2. Step 2: Convert to fraction form
    2,198,631.36/3,034,198.32 = 1,231,769.60/x
  3. Step 3: Cross multiply
    2,198,631.36x = 3,034,198.32 × 1,231,769.60
  4. Step 4: Simplify right side
    2,198,631.36x = 3,737,433,250,947.07
  5. Step 5: Solve for x
    x = 3,737,433,250,947.07/2,198,631.36
  6. Step 6: Final answer
    x = 1,699,890.81

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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.