Home / 2,231,397.16-3,079,339.14-1,212,821.80

Finding the Fourth Proportional to 2,231,397.16, 3,079,339.14 and 1,212,821.80

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Solution

The fourth proportional to 2,231,397.16, 3,079,339.14 and 1,212,821.80 is: 1,673,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,397.16 : 3,079,339.14 = 1,212,821.80 : x
  2. Step 2: Convert to fraction form
    2,231,397.16/3,079,339.14 = 1,212,821.80/x
  3. Step 3: Cross multiply
    2,231,397.16x = 3,079,339.14 × 1,212,821.80
  4. Step 4: Simplify right side
    2,231,397.16x = 3,734,689,638,585.25
  5. Step 5: Solve for x
    x = 3,734,689,638,585.25/2,231,397.16
  6. Step 6: Final answer
    x = 1,673,700.09

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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.