Home / 2,279,608.70-3,145,585.91-1,313,053.34

Finding the Fourth Proportional to 2,279,608.70, 3,145,585.91 and 1,313,053.34

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Solution

The fourth proportional to 2,279,608.70, 3,145,585.91 and 1,313,053.34 is: 1,811,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,608.70 : 3,145,585.91 = 1,313,053.34 : x
  2. Step 2: Convert to fraction form
    2,279,608.70/3,145,585.91 = 1,313,053.34/x
  3. Step 3: Cross multiply
    2,279,608.70x = 3,145,585.91 × 1,313,053.34
  4. Step 4: Simplify right side
    2,279,608.70x = 4,130,322,085,382.44
  5. Step 5: Solve for x
    x = 4,130,322,085,382.44/2,279,608.70
  6. Step 6: Final answer
    x = 1,811,855.73

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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.