Home / 6,871,076.56-9,479,959.32-3,969,408.70

Finding the Fourth Proportional to 6,871,076.56, 9,479,959.32 and 3,969,408.70

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Solution

The fourth proportional to 6,871,076.56, 9,479,959.32 and 3,969,408.70 is: 5,476,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,076.56 : 9,479,959.32 = 3,969,408.70 : x
  2. Step 2: Convert to fraction form
    6,871,076.56/9,479,959.32 = 3,969,408.70/x
  3. Step 3: Cross multiply
    6,871,076.56x = 9,479,959.32 × 3,969,408.70
  4. Step 4: Simplify right side
    6,871,076.56x = 37,629,833,000,454.09
  5. Step 5: Solve for x
    x = 37,629,833,000,454.09/6,871,076.56
  6. Step 6: Final answer
    x = 5,476,555.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.