Home / 3,237,286.80-4,855,930.20-2,638,923.60

Finding the Fourth Proportional to 3,237,286.80, 4,855,930.20 and 2,638,923.60

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Solution

The fourth proportional to 3,237,286.80, 4,855,930.20 and 2,638,923.60 is: 3,958,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,286.80 : 4,855,930.20 = 2,638,923.60 : x
  2. Step 2: Convert to fraction form
    3,237,286.80/4,855,930.20 = 2,638,923.60/x
  3. Step 3: Cross multiply
    3,237,286.80x = 4,855,930.20 × 2,638,923.60
  4. Step 4: Simplify right side
    3,237,286.80x = 12,814,428,804,732.72
  5. Step 5: Solve for x
    x = 12,814,428,804,732.72/3,237,286.80
  6. Step 6: Final answer
    x = 3,958,385.40

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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.