Home / 1,993,168.80-2,989,753.20-1,851,451.20

Finding the Fourth Proportional to 1,993,168.80, 2,989,753.20 and 1,851,451.20

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Solution

The fourth proportional to 1,993,168.80, 2,989,753.20 and 1,851,451.20 is: 2,777,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,168.80 : 2,989,753.20 = 1,851,451.20 : x
  2. Step 2: Convert to fraction form
    1,993,168.80/2,989,753.20 = 1,851,451.20/x
  3. Step 3: Cross multiply
    1,993,168.80x = 2,989,753.20 × 1,851,451.20
  4. Step 4: Simplify right side
    1,993,168.80x = 5,535,382,149,843.84
  5. Step 5: Solve for x
    x = 5,535,382,149,843.84/1,993,168.80
  6. Step 6: Final answer
    x = 2,777,176.80

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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.