Home / 2,653,246.56-3,979,481.04-1,305,047.28

Finding the Fourth Proportional to 2,653,246.56, 3,979,481.04 and 1,305,047.28

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Solution

The fourth proportional to 2,653,246.56, 3,979,481.04 and 1,305,047.28 is: 1,957,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,246.56 : 3,979,481.04 = 1,305,047.28 : x
  2. Step 2: Convert to fraction form
    2,653,246.56/3,979,481.04 = 1,305,047.28/x
  3. Step 3: Cross multiply
    2,653,246.56x = 3,979,481.04 × 1,305,047.28
  4. Step 4: Simplify right side
    2,653,246.56x = 5,193,410,907,063.57
  5. Step 5: Solve for x
    x = 5,193,410,907,063.57/2,653,246.56
  6. Step 6: Final answer
    x = 1,957,379.68

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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.