Home / 3,158,481.89-4,738,054.73-1,028,731.88

Finding the Fourth Proportional to 3,158,481.89, 4,738,054.73 and 1,028,731.88

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Solution

The fourth proportional to 3,158,481.89, 4,738,054.73 and 1,028,731.88 is: 1,543,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,481.89 : 4,738,054.73 = 1,028,731.88 : x
  2. Step 2: Convert to fraction form
    3,158,481.89/4,738,054.73 = 1,028,731.88/x
  3. Step 3: Cross multiply
    3,158,481.89x = 4,738,054.73 × 1,028,731.88
  4. Step 4: Simplify right side
    3,158,481.89x = 4,874,187,921,101.86
  5. Step 5: Solve for x
    x = 4,874,187,921,101.86/3,158,481.89
  6. Step 6: Final answer
    x = 1,543,205.91

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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.