Home / 3,618,836.40-4,993,640.76-2,090,910.72

Finding the Fourth Proportional to 3,618,836.40, 4,993,640.76 and 2,090,910.72

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Solution

The fourth proportional to 3,618,836.40, 4,993,640.76 and 2,090,910.72 is: 2,885,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,836.40 : 4,993,640.76 = 2,090,910.72 : x
  2. Step 2: Convert to fraction form
    3,618,836.40/4,993,640.76 = 2,090,910.72/x
  3. Step 3: Cross multiply
    3,618,836.40x = 4,993,640.76 × 2,090,910.72
  4. Step 4: Simplify right side
    3,618,836.40x = 10,441,256,996,912.95
  5. Step 5: Solve for x
    x = 10,441,256,996,912.95/3,618,836.40
  6. Step 6: Final answer
    x = 2,885,252.56

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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.