Home / 2,612,440.88-3,919,120.56-1,192,640.48

Finding the Fourth Proportional to 2,612,440.88, 3,919,120.56 and 1,192,640.48

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Solution

The fourth proportional to 2,612,440.88, 3,919,120.56 and 1,192,640.48 is: 1,789,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,440.88 : 3,919,120.56 = 1,192,640.48 : x
  2. Step 2: Convert to fraction form
    2,612,440.88/3,919,120.56 = 1,192,640.48/x
  3. Step 3: Cross multiply
    2,612,440.88x = 3,919,120.56 × 1,192,640.48
  4. Step 4: Simplify right side
    2,612,440.88x = 4,674,101,825,856.27
  5. Step 5: Solve for x
    x = 4,674,101,825,856.27/2,612,440.88
  6. Step 6: Final answer
    x = 1,789,170.37

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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.