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Finding the Fourth Proportional to 3,834,179.80, 5,751,269.70 and 3,264,247.60

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Solution

The fourth proportional to 3,834,179.80, 5,751,269.70 and 3,264,247.60 is: 4,896,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,179.80 : 5,751,269.70 = 3,264,247.60 : x
  2. Step 2: Convert to fraction form
    3,834,179.80/5,751,269.70 = 3,264,247.60/x
  3. Step 3: Cross multiply
    3,834,179.80x = 5,751,269.70 × 3,264,247.60
  4. Step 4: Simplify right side
    3,834,179.80x = 18,773,568,315,177.72
  5. Step 5: Solve for x
    x = 18,773,568,315,177.72/3,834,179.80
  6. Step 6: Final answer
    x = 4,896,371.40

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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.