Home / 3,104,920.38-4,284,789.54-1,728,234.48

Finding the Fourth Proportional to 3,104,920.38, 4,284,789.54 and 1,728,234.48

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Solution

The fourth proportional to 3,104,920.38, 4,284,789.54 and 1,728,234.48 is: 2,384,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104,920.38 : 4,284,789.54 = 1,728,234.48 : x
  2. Step 2: Convert to fraction form
    3,104,920.38/4,284,789.54 = 1,728,234.48/x
  3. Step 3: Cross multiply
    3,104,920.38x = 4,284,789.54 × 1,728,234.48
  4. Step 4: Simplify right side
    3,104,920.38x = 7,405,121,022,571.34
  5. Step 5: Solve for x
    x = 7,405,121,022,571.34/3,104,920.38
  6. Step 6: Final answer
    x = 2,384,963.26

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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.