Home / 2,131,454.38-3,198,756.20-1,009,523.38

Finding the Fourth Proportional to 2,131,454.38, 3,198,756.20 and 1,009,523.38

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Solution

The fourth proportional to 2,131,454.38, 3,198,756.20 and 1,009,523.38 is: 1,515,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,454.38 : 3,198,756.20 = 1,009,523.38 : x
  2. Step 2: Convert to fraction form
    2,131,454.38/3,198,756.20 = 1,009,523.38/x
  3. Step 3: Cross multiply
    2,131,454.38x = 3,198,756.20 × 1,009,523.38
  4. Step 4: Simplify right side
    2,131,454.38x = 3,229,219,157,349.98
  5. Step 5: Solve for x
    x = 3,229,219,157,349.98/2,131,454.38
  6. Step 6: Final answer
    x = 1,515,030.86

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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.