Home / 2,187,205.11-3,018,272.49-1,193,734.89

Finding the Fourth Proportional to 2,187,205.11, 3,018,272.49 and 1,193,734.89

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Solution

The fourth proportional to 2,187,205.11, 3,018,272.49 and 1,193,734.89 is: 1,647,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,205.11 : 3,018,272.49 = 1,193,734.89 : x
  2. Step 2: Convert to fraction form
    2,187,205.11/3,018,272.49 = 1,193,734.89/x
  3. Step 3: Cross multiply
    2,187,205.11x = 3,018,272.49 × 1,193,734.89
  4. Step 4: Simplify right side
    2,187,205.11x = 3,603,017,178,840.18
  5. Step 5: Solve for x
    x = 3,603,017,178,840.18/2,187,205.11
  6. Step 6: Final answer
    x = 1,647,315.64

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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.