Home / 5,275,379.92-7,912,922.26-1,681,362.54

Finding the Fourth Proportional to 5,275,379.92, 7,912,922.26 and 1,681,362.54

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Solution

The fourth proportional to 5,275,379.92, 7,912,922.26 and 1,681,362.54 is: 2,521,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,379.92 : 7,912,922.26 = 1,681,362.54 : x
  2. Step 2: Convert to fraction form
    5,275,379.92/7,912,922.26 = 1,681,362.54/x
  3. Step 3: Cross multiply
    5,275,379.92x = 7,912,922.26 × 1,681,362.54
  4. Step 4: Simplify right side
    5,275,379.92x = 13,304,491,069,896.14
  5. Step 5: Solve for x
    x = 13,304,491,069,896.14/5,275,379.92
  6. Step 6: Final answer
    x = 2,521,996.76

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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.