Home / 2,147,108.26-2,963,015.52-1,229,351.48

Finding the Fourth Proportional to 2,147,108.26, 2,963,015.52 and 1,229,351.48

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Solution

The fourth proportional to 2,147,108.26, 2,963,015.52 and 1,229,351.48 is: 1,696,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,108.26 : 2,963,015.52 = 1,229,351.48 : x
  2. Step 2: Convert to fraction form
    2,147,108.26/2,963,015.52 = 1,229,351.48/x
  3. Step 3: Cross multiply
    2,147,108.26x = 2,963,015.52 × 1,229,351.48
  4. Step 4: Simplify right side
    2,147,108.26x = 3,642,587,514,774.97
  5. Step 5: Solve for x
    x = 3,642,587,514,774.97/2,147,108.26
  6. Step 6: Final answer
    x = 1,696,508.55

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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.