Home / 2,722,679.70-4,084,019.55-728,135.70

Finding the Fourth Proportional to 2,722,679.70, 4,084,019.55 and 728,135.70

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Solution

The fourth proportional to 2,722,679.70, 4,084,019.55 and 728,135.70 is: 1,092,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,679.70 : 4,084,019.55 = 728,135.70 : x
  2. Step 2: Convert to fraction form
    2,722,679.70/4,084,019.55 = 728,135.70/x
  3. Step 3: Cross multiply
    2,722,679.70x = 4,084,019.55 × 728,135.70
  4. Step 4: Simplify right side
    2,722,679.70x = 2,973,720,433,852.93
  5. Step 5: Solve for x
    x = 2,973,720,433,852.93/2,722,679.70
  6. Step 6: Final answer
    x = 1,092,203.55

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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.