Home / 2,760,267.09-4,140,850.06-815,192.49

Finding the Fourth Proportional to 2,760,267.09, 4,140,850.06 and 815,192.49

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Solution

The fourth proportional to 2,760,267.09, 4,140,850.06 and 815,192.49 is: 1,222,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,267.09 : 4,140,850.06 = 815,192.49 : x
  2. Step 2: Convert to fraction form
    2,760,267.09/4,140,850.06 = 815,192.49/x
  3. Step 3: Cross multiply
    2,760,267.09x = 4,140,850.06 × 815,192.49
  4. Step 4: Simplify right side
    2,760,267.09x = 3,375,589,871,128.05
  5. Step 5: Solve for x
    x = 3,375,589,871,128.05/2,760,267.09
  6. Step 6: Final answer
    x = 1,222,921.46

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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.