Home / 1,988,500.50-2,977,193.07-1,074,408.66

Finding the Fourth Proportional to 1,988,500.50, 2,977,193.07 and 1,074,408.66

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Solution

The fourth proportional to 1,988,500.50, 2,977,193.07 and 1,074,408.66 is: 1,608,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,500.50 : 2,977,193.07 = 1,074,408.66 : x
  2. Step 2: Convert to fraction form
    1,988,500.50/2,977,193.07 = 1,074,408.66/x
  3. Step 3: Cross multiply
    1,988,500.50x = 2,977,193.07 × 1,074,408.66
  4. Step 4: Simplify right side
    1,988,500.50x = 3,198,722,016,899.99
  5. Step 5: Solve for x
    x = 3,198,722,016,899.99/1,988,500.50
  6. Step 6: Final answer
    x = 1,608,610.11

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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.