Home / 2,144,371.22-3,216,066.57-1,280,049.38

Finding the Fourth Proportional to 2,144,371.22, 3,216,066.57 and 1,280,049.38

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Solution

The fourth proportional to 2,144,371.22, 3,216,066.57 and 1,280,049.38 is: 1,919,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,371.22 : 3,216,066.57 = 1,280,049.38 : x
  2. Step 2: Convert to fraction form
    2,144,371.22/3,216,066.57 = 1,280,049.38/x
  3. Step 3: Cross multiply
    2,144,371.22x = 3,216,066.57 × 1,280,049.38
  4. Step 4: Simplify right side
    2,144,371.22x = 4,116,724,002,886.89
  5. Step 5: Solve for x
    x = 4,116,724,002,886.89/2,144,371.22
  6. Step 6: Final answer
    x = 1,919,781.41

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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.