Home / 1,856,161.13-2,561,572.77-1,040,379.89

Finding the Fourth Proportional to 1,856,161.13, 2,561,572.77 and 1,040,379.89

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Solution

The fourth proportional to 1,856,161.13, 2,561,572.77 and 1,040,379.89 is: 1,435,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,161.13 : 2,561,572.77 = 1,040,379.89 : x
  2. Step 2: Convert to fraction form
    1,856,161.13/2,561,572.77 = 1,040,379.89/x
  3. Step 3: Cross multiply
    1,856,161.13x = 2,561,572.77 × 1,040,379.89
  4. Step 4: Simplify right side
    1,856,161.13x = 2,665,008,796,679.60
  5. Step 5: Solve for x
    x = 2,665,008,796,679.60/1,856,161.13
  6. Step 6: Final answer
    x = 1,435,763.71

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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.