Home / 3,105,718.88-4,285,780.00-1,729,027.22

Finding the Fourth Proportional to 3,105,718.88, 4,285,780.00 and 1,729,027.22

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Solution

The fourth proportional to 3,105,718.88, 4,285,780.00 and 1,729,027.22 is: 2,385,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,718.88 : 4,285,780.00 = 1,729,027.22 : x
  2. Step 2: Convert to fraction form
    3,105,718.88/4,285,780.00 = 1,729,027.22/x
  3. Step 3: Cross multiply
    3,105,718.88x = 4,285,780.00 × 1,729,027.22
  4. Step 4: Simplify right side
    3,105,718.88x = 7,410,230,253,180.13
  5. Step 5: Solve for x
    x = 7,410,230,253,180.13/3,105,718.88
  6. Step 6: Final answer
    x = 2,385,995.18

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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.