Home / 3,469,974.39-4,788,714.33-1,921,236.08

Finding the Fourth Proportional to 3,469,974.39, 4,788,714.33 and 1,921,236.08

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Solution

The fourth proportional to 3,469,974.39, 4,788,714.33 and 1,921,236.08 is: 2,651,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,974.39 : 4,788,714.33 = 1,921,236.08 : x
  2. Step 2: Convert to fraction form
    3,469,974.39/4,788,714.33 = 1,921,236.08/x
  3. Step 3: Cross multiply
    3,469,974.39x = 4,788,714.33 × 1,921,236.08
  4. Step 4: Simplify right side
    3,469,974.39x = 9,200,250,723,665.46
  5. Step 5: Solve for x
    x = 9,200,250,723,665.46/3,469,974.39
  6. Step 6: Final answer
    x = 2,651,388.65

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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.