Home / 1,910,505.09-2,865,757.11-1,309,644.60

Finding the Fourth Proportional to 1,910,505.09, 2,865,757.11 and 1,309,644.60

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Solution

The fourth proportional to 1,910,505.09, 2,865,757.11 and 1,309,644.60 is: 1,964,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,505.09 : 2,865,757.11 = 1,309,644.60 : x
  2. Step 2: Convert to fraction form
    1,910,505.09/2,865,757.11 = 1,309,644.60/x
  3. Step 3: Cross multiply
    1,910,505.09x = 2,865,757.11 × 1,309,644.60
  4. Step 4: Simplify right side
    1,910,505.09x = 3,753,123,324,023.11
  5. Step 5: Solve for x
    x = 3,753,123,324,023.11/1,910,505.09
  6. Step 6: Final answer
    x = 1,964,466.54

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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.