Home / 2,163,190.80-3,242,498.04-814,769.97

Finding the Fourth Proportional to 2,163,190.80, 3,242,498.04 and 814,769.97

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Solution

The fourth proportional to 2,163,190.80, 3,242,498.04 and 814,769.97 is: 1,221,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,190.80 : 3,242,498.04 = 814,769.97 : x
  2. Step 2: Convert to fraction form
    2,163,190.80/3,242,498.04 = 814,769.97/x
  3. Step 3: Cross multiply
    2,163,190.80x = 3,242,498.04 × 814,769.97
  4. Step 4: Simplify right side
    2,163,190.80x = 2,641,890,030,775.86
  5. Step 5: Solve for x
    x = 2,641,890,030,775.86/2,163,190.80
  6. Step 6: Final answer
    x = 1,221,293.12

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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.