Home / 2,131,454.13-3,198,755.83-1,009,523.13

Finding the Fourth Proportional to 2,131,454.13, 3,198,755.83 and 1,009,523.13

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Solution

The fourth proportional to 2,131,454.13, 3,198,755.83 and 1,009,523.13 is: 1,515,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,454.13 : 3,198,755.83 = 1,009,523.13 : x
  2. Step 2: Convert to fraction form
    2,131,454.13/3,198,755.83 = 1,009,523.13/x
  3. Step 3: Cross multiply
    2,131,454.13x = 3,198,755.83 × 1,009,523.13
  4. Step 4: Simplify right side
    2,131,454.13x = 3,229,217,979,089.76
  5. Step 5: Solve for x
    x = 3,229,217,979,089.76/2,131,454.13
  6. Step 6: Final answer
    x = 1,515,030.49

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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.