Home / 3,158,481.39-4,738,053.98-1,028,731.38

Finding the Fourth Proportional to 3,158,481.39, 4,738,053.98 and 1,028,731.38

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Solution

The fourth proportional to 3,158,481.39, 4,738,053.98 and 1,028,731.38 is: 1,543,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,481.39 : 4,738,053.98 = 1,028,731.38 : x
  2. Step 2: Convert to fraction form
    3,158,481.39/4,738,053.98 = 1,028,731.38/x
  3. Step 3: Cross multiply
    3,158,481.39x = 4,738,053.98 × 1,028,731.38
  4. Step 4: Simplify right side
    3,158,481.39x = 4,874,184,809,359.89
  5. Step 5: Solve for x
    x = 4,874,184,809,359.89/3,158,481.39
  6. Step 6: Final answer
    x = 1,543,205.17

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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.