Home / 3,747,977.20-5,171,733.29-2,198,673.60

Finding the Fourth Proportional to 3,747,977.20, 5,171,733.29 and 2,198,673.60

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Solution

The fourth proportional to 3,747,977.20, 5,171,733.29 and 2,198,673.60 is: 3,033,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,977.20 : 5,171,733.29 = 2,198,673.60 : x
  2. Step 2: Convert to fraction form
    3,747,977.20/5,171,733.29 = 2,198,673.60/x
  3. Step 3: Cross multiply
    3,747,977.20x = 5,171,733.29 × 2,198,673.60
  4. Step 4: Simplify right side
    3,747,977.20x = 11,370,953,450,964.14
  5. Step 5: Solve for x
    x = 11,370,953,450,964.14/3,747,977.20
  6. Step 6: Final answer
    x = 3,033,890.77

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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.