Home / 2,122,669.91-3,185,310.25-843,053.51

Finding the Fourth Proportional to 2,122,669.91, 3,185,310.25 and 843,053.51

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Solution

The fourth proportional to 2,122,669.91, 3,185,310.25 and 843,053.51 is: 1,265,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,669.91 : 3,185,310.25 = 843,053.51 : x
  2. Step 2: Convert to fraction form
    2,122,669.91/3,185,310.25 = 843,053.51/x
  3. Step 3: Cross multiply
    2,122,669.91x = 3,185,310.25 × 843,053.51
  4. Step 4: Simplify right side
    2,122,669.91x = 2,685,386,995,718.57
  5. Step 5: Solve for x
    x = 2,685,386,995,718.57/2,122,669.91
  6. Step 6: Final answer
    x = 1,265,098.72

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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.