Home / 2,163,191.80-3,242,499.54-814,770.97

Finding the Fourth Proportional to 2,163,191.80, 3,242,499.54 and 814,770.97

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Solution

The fourth proportional to 2,163,191.80, 3,242,499.54 and 814,770.97 is: 1,221,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,191.80 : 3,242,499.54 = 814,770.97 : x
  2. Step 2: Convert to fraction form
    2,163,191.80/3,242,499.54 = 814,770.97/x
  3. Step 3: Cross multiply
    2,163,191.80x = 3,242,499.54 × 814,770.97
  4. Step 4: Simplify right side
    2,163,191.80x = 2,641,894,495,430.35
  5. Step 5: Solve for x
    x = 2,641,894,495,430.35/2,163,191.80
  6. Step 6: Final answer
    x = 1,221,294.61

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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.