Home / 5,275,378.92-7,912,920.76-1,681,361.54

Finding the Fourth Proportional to 5,275,378.92, 7,912,920.76 and 1,681,361.54

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Solution

The fourth proportional to 5,275,378.92, 7,912,920.76 and 1,681,361.54 is: 2,521,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,378.92 : 7,912,920.76 = 1,681,361.54 : x
  2. Step 2: Convert to fraction form
    5,275,378.92/7,912,920.76 = 1,681,361.54/x
  3. Step 3: Cross multiply
    5,275,378.92x = 7,912,920.76 × 1,681,361.54
  4. Step 4: Simplify right side
    5,275,378.92x = 13,304,480,620,837.02
  5. Step 5: Solve for x
    x = 13,304,480,620,837.02/5,275,378.92
  6. Step 6: Final answer
    x = 2,521,995.26

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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.