Home / 2,086,163.86-2,878,412.58-1,180,745.86

Finding the Fourth Proportional to 2,086,163.86, 2,878,412.58 and 1,180,745.86

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Solution

The fourth proportional to 2,086,163.86, 2,878,412.58 and 1,180,745.86 is: 1,629,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,163.86 : 2,878,412.58 = 1,180,745.86 : x
  2. Step 2: Convert to fraction form
    2,086,163.86/2,878,412.58 = 1,180,745.86/x
  3. Step 3: Cross multiply
    2,086,163.86x = 2,878,412.58 × 1,180,745.86
  4. Step 4: Simplify right side
    2,086,163.86x = 3,398,673,737,206.92
  5. Step 5: Solve for x
    x = 3,398,673,737,206.92/2,086,163.86
  6. Step 6: Final answer
    x = 1,629,149.94

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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.