Home / 6,622,961.75-9,137,632.20-3,867,661.59

Finding the Fourth Proportional to 6,622,961.75, 9,137,632.20 and 3,867,661.59

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Solution

The fourth proportional to 6,622,961.75, 9,137,632.20 and 3,867,661.59 is: 5,336,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622,961.75 : 9,137,632.20 = 3,867,661.59 : x
  2. Step 2: Convert to fraction form
    6,622,961.75/9,137,632.20 = 3,867,661.59/x
  3. Step 3: Cross multiply
    6,622,961.75x = 9,137,632.20 × 3,867,661.59
  4. Step 4: Simplify right side
    6,622,961.75x = 35,341,269,083,487.20
  5. Step 5: Solve for x
    x = 35,341,269,083,487.20/6,622,961.75
  6. Step 6: Final answer
    x = 5,336,172.92

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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.