Home / 6,179,446.73-8,529,843.38-4,217,920.80

Finding the Fourth Proportional to 6,179,446.73, 8,529,843.38 and 4,217,920.80

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Solution

The fourth proportional to 6,179,446.73, 8,529,843.38 and 4,217,920.80 is: 5,822,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179,446.73 : 8,529,843.38 = 4,217,920.80 : x
  2. Step 2: Convert to fraction form
    6,179,446.73/8,529,843.38 = 4,217,920.80/x
  3. Step 3: Cross multiply
    6,179,446.73x = 8,529,843.38 × 4,217,920.80
  4. Step 4: Simplify right side
    6,179,446.73x = 35,978,203,760,167.78
  5. Step 5: Solve for x
    x = 35,978,203,760,167.78/6,179,446.73
  6. Step 6: Final answer
    x = 5,822,237.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.