Home / 2,540,474.01-3,505,857.69-1,378,920.54

Finding the Fourth Proportional to 2,540,474.01, 3,505,857.69 and 1,378,920.54

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Solution

The fourth proportional to 2,540,474.01, 3,505,857.69 and 1,378,920.54 is: 1,902,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,474.01 : 3,505,857.69 = 1,378,920.54 : x
  2. Step 2: Convert to fraction form
    2,540,474.01/3,505,857.69 = 1,378,920.54/x
  3. Step 3: Cross multiply
    2,540,474.01x = 3,505,857.69 × 1,378,920.54
  4. Step 4: Simplify right side
    2,540,474.01x = 4,834,299,179,057.95
  5. Step 5: Solve for x
    x = 4,834,299,179,057.95/2,540,474.01
  6. Step 6: Final answer
    x = 1,902,912.28

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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.