Home / 3,067,892.80-4,601,839.20-1,388,276.80

Finding the Fourth Proportional to 3,067,892.80, 4,601,839.20 and 1,388,276.80

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Solution

The fourth proportional to 3,067,892.80, 4,601,839.20 and 1,388,276.80 is: 2,082,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067,892.80 : 4,601,839.20 = 1,388,276.80 : x
  2. Step 2: Convert to fraction form
    3,067,892.80/4,601,839.20 = 1,388,276.80/x
  3. Step 3: Cross multiply
    3,067,892.80x = 4,601,839.20 × 1,388,276.80
  4. Step 4: Simplify right side
    3,067,892.80x = 6,388,626,598,690.56
  5. Step 5: Solve for x
    x = 6,388,626,598,690.56/3,067,892.80
  6. Step 6: Final answer
    x = 2,082,415.20

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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.