Home / 1,919,174.60-2,879,544.94-1,236,418.27

Finding the Fourth Proportional to 1,919,174.60, 2,879,544.94 and 1,236,418.27

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Solution

The fourth proportional to 1,919,174.60, 2,879,544.94 and 1,236,418.27 is: 1,855,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,174.60 : 2,879,544.94 = 1,236,418.27 : x
  2. Step 2: Convert to fraction form
    1,919,174.60/2,879,544.94 = 1,236,418.27/x
  3. Step 3: Cross multiply
    1,919,174.60x = 2,879,544.94 × 1,236,418.27
  4. Step 4: Simplify right side
    1,919,174.60x = 3,560,321,962,812.15
  5. Step 5: Solve for x
    x = 3,560,321,962,812.15/1,919,174.60
  6. Step 6: Final answer
    x = 1,855,131.87

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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.