Home / 1,956,372.03-2,699,949.92-1,085,292.72

Finding the Fourth Proportional to 1,956,372.03, 2,699,949.92 and 1,085,292.72

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Solution

The fourth proportional to 1,956,372.03, 2,699,949.92 and 1,085,292.72 is: 1,497,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,372.03 : 2,699,949.92 = 1,085,292.72 : x
  2. Step 2: Convert to fraction form
    1,956,372.03/2,699,949.92 = 1,085,292.72/x
  3. Step 3: Cross multiply
    1,956,372.03x = 2,699,949.92 × 1,085,292.72
  4. Step 4: Simplify right side
    1,956,372.03x = 2,930,235,987,114.12
  5. Step 5: Solve for x
    x = 2,930,235,987,114.12/1,956,372.03
  6. Step 6: Final answer
    x = 1,497,790.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.