Home / 2,719,456-4,079,270.40-826,213.92

Finding the Fourth Proportional to 2,719,456, 4,079,270.40 and 826,213.92

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Solution

The fourth proportional to 2,719,456, 4,079,270.40 and 826,213.92 is: 1,239,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,456 : 4,079,270.40 = 826,213.92 : x
  2. Step 2: Convert to fraction form
    2,719,456/4,079,270.40 = 826,213.92/x
  3. Step 3: Cross multiply
    2,719,456x = 4,079,270.40 × 826,213.92
  4. Step 4: Simplify right side
    2,719,456x = 3,370,349,987,923.97
  5. Step 5: Solve for x
    x = 3,370,349,987,923.97/2,719,456
  6. Step 6: Final answer
    x = 1,239,347.13

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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.