Home / 4,724,129.80-7,084,812.30-1,691,144.20

Finding the Fourth Proportional to 4,724,129.80, 7,084,812.30 and 1,691,144.20

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Solution

The fourth proportional to 4,724,129.80, 7,084,812.30 and 1,691,144.20 is: 2,536,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724,129.80 : 7,084,812.30 = 1,691,144.20 : x
  2. Step 2: Convert to fraction form
    4,724,129.80/7,084,812.30 = 1,691,144.20/x
  3. Step 3: Cross multiply
    4,724,129.80x = 7,084,812.30 × 1,691,144.20
  4. Step 4: Simplify right side
    4,724,129.80x = 11,981,439,229,233.66
  5. Step 5: Solve for x
    x = 11,981,439,229,233.66/4,724,129.80
  6. Step 6: Final answer
    x = 2,536,221.43

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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.