Home / 2,163,191.93-3,242,499.74-814,771.11

Finding the Fourth Proportional to 2,163,191.93, 3,242,499.74 and 814,771.11

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Solution

The fourth proportional to 2,163,191.93, 3,242,499.74 and 814,771.11 is: 1,221,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,191.93 : 3,242,499.74 = 814,771.11 : x
  2. Step 2: Convert to fraction form
    2,163,191.93/3,242,499.74 = 814,771.11/x
  3. Step 3: Cross multiply
    2,163,191.93x = 3,242,499.74 × 814,771.11
  4. Step 4: Simplify right side
    2,163,191.93x = 2,641,895,108,260.66
  5. Step 5: Solve for x
    x = 2,641,895,108,260.66/2,163,191.93
  6. Step 6: Final answer
    x = 1,221,294.83

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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.