Home / 2,111,189.60-3,166,757.04-513,753.68

Finding the Fourth Proportional to 2,111,189.60, 3,166,757.04 and 513,753.68

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Solution

The fourth proportional to 2,111,189.60, 3,166,757.04 and 513,753.68 is: 770,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,189.60 : 3,166,757.04 = 513,753.68 : x
  2. Step 2: Convert to fraction form
    2,111,189.60/3,166,757.04 = 513,753.68/x
  3. Step 3: Cross multiply
    2,111,189.60x = 3,166,757.04 × 513,753.68
  4. Step 4: Simplify right side
    2,111,189.60x = 1,626,933,082,965.91
  5. Step 5: Solve for x
    x = 1,626,933,082,965.91/2,111,189.60
  6. Step 6: Final answer
    x = 770,623.86

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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.