Home / 2,163,190.43-3,242,497.49-814,769.61

Finding the Fourth Proportional to 2,163,190.43, 3,242,497.49 and 814,769.61

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Solution

The fourth proportional to 2,163,190.43, 3,242,497.49 and 814,769.61 is: 1,221,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,190.43 : 3,242,497.49 = 814,769.61 : x
  2. Step 2: Convert to fraction form
    2,163,190.43/3,242,497.49 = 814,769.61/x
  3. Step 3: Cross multiply
    2,163,190.43x = 3,242,497.49 × 814,769.61
  4. Step 4: Simplify right side
    2,163,190.43x = 2,641,888,411,279.43
  5. Step 5: Solve for x
    x = 2,641,888,411,279.43/2,163,190.43
  6. Step 6: Final answer
    x = 1,221,292.58

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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.