Home / 2,231,511-3,079,473.66-1,212,921.24

Finding the Fourth Proportional to 2,231,511, 3,079,473.66 and 1,212,921.24

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Solution

The fourth proportional to 2,231,511, 3,079,473.66 and 1,212,921.24 is: 1,673,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,511 : 3,079,473.66 = 1,212,921.24 : x
  2. Step 2: Convert to fraction form
    2,231,511/3,079,473.66 = 1,212,921.24/x
  3. Step 3: Cross multiply
    2,231,511x = 3,079,473.66 × 1,212,921.24
  4. Step 4: Simplify right side
    2,231,511x = 3,735,159,010,234.54
  5. Step 5: Solve for x
    x = 3,735,159,010,234.54/2,231,511
  6. Step 6: Final answer
    x = 1,673,825.05

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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.