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Finding the Fourth Proportional to 3,998,183.02, 5,997,174.90 and 1,870,647.64

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Solution

The fourth proportional to 3,998,183.02, 5,997,174.90 and 1,870,647.64 is: 2,805,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,183.02 : 5,997,174.90 = 1,870,647.64 : x
  2. Step 2: Convert to fraction form
    3,998,183.02/5,997,174.90 = 1,870,647.64/x
  3. Step 3: Cross multiply
    3,998,183.02x = 5,997,174.90 × 1,870,647.64
  4. Step 4: Simplify right side
    3,998,183.02x = 11,218,601,073,352.24
  5. Step 5: Solve for x
    x = 11,218,601,073,352.24/3,998,183.02
  6. Step 6: Final answer
    x = 2,805,924.85

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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.