Home / 2,198,780.39-3,034,400.37-1,231,877.63

Finding the Fourth Proportional to 2,198,780.39, 3,034,400.37 and 1,231,877.63

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Solution

The fourth proportional to 2,198,780.39, 3,034,400.37 and 1,231,877.63 is: 1,700,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,780.39 : 3,034,400.37 = 1,231,877.63 : x
  2. Step 2: Convert to fraction form
    2,198,780.39/3,034,400.37 = 1,231,877.63/x
  3. Step 3: Cross multiply
    2,198,780.39x = 3,034,400.37 × 1,231,877.63
  4. Step 4: Simplify right side
    2,198,780.39x = 3,738,009,936,266.72
  5. Step 5: Solve for x
    x = 3,738,009,936,266.72/2,198,780.39
  6. Step 6: Final answer
    x = 1,700,037.87

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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.