Home / 1,945,588.53-2,685,628.68-1,171,255.38

Finding the Fourth Proportional to 1,945,588.53, 2,685,628.68 and 1,171,255.38

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Solution

The fourth proportional to 1,945,588.53, 2,685,628.68 and 1,171,255.38 is: 1,616,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,588.53 : 2,685,628.68 = 1,171,255.38 : x
  2. Step 2: Convert to fraction form
    1,945,588.53/2,685,628.68 = 1,171,255.38/x
  3. Step 3: Cross multiply
    1,945,588.53x = 2,685,628.68 × 1,171,255.38
  4. Step 4: Simplify right side
    1,945,588.53x = 3,145,557,040,132.30
  5. Step 5: Solve for x
    x = 3,145,557,040,132.30/1,945,588.53
  6. Step 6: Final answer
    x = 1,616,763.77

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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.