Home / 2,086,163.11-2,878,411.55-1,180,745.11

Finding the Fourth Proportional to 2,086,163.11, 2,878,411.55 and 1,180,745.11

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Solution

The fourth proportional to 2,086,163.11, 2,878,411.55 and 1,180,745.11 is: 1,629,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,163.11 : 2,878,411.55 = 1,180,745.11 : x
  2. Step 2: Convert to fraction form
    2,086,163.11/2,878,411.55 = 1,180,745.11/x
  3. Step 3: Cross multiply
    2,086,163.11x = 2,878,411.55 × 1,180,745.11
  4. Step 4: Simplify right side
    2,086,163.11x = 3,398,670,356,326.30
  5. Step 5: Solve for x
    x = 3,398,670,356,326.30/2,086,163.11
  6. Step 6: Final answer
    x = 1,629,148.91

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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.