Home / 5,149,481.82-7,106,527.35-2,857,661.34

Finding the Fourth Proportional to 5,149,481.82, 7,106,527.35 and 2,857,661.34

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Solution

The fourth proportional to 5,149,481.82, 7,106,527.35 and 2,857,661.34 is: 3,943,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,481.82 : 7,106,527.35 = 2,857,661.34 : x
  2. Step 2: Convert to fraction form
    5,149,481.82/7,106,527.35 = 2,857,661.34/x
  3. Step 3: Cross multiply
    5,149,481.82x = 7,106,527.35 × 2,857,661.34
  4. Step 4: Simplify right side
    5,149,481.82x = 20,308,048,469,747.65
  5. Step 5: Solve for x
    x = 20,308,048,469,747.65/5,149,481.82
  6. Step 6: Final answer
    x = 3,943,707.19

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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.