Home / 2,166,745.45-2,990,106.03-1,199,874.57

Finding the Fourth Proportional to 2,166,745.45, 2,990,106.03 and 1,199,874.57

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Solution

The fourth proportional to 2,166,745.45, 2,990,106.03 and 1,199,874.57 is: 1,655,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,745.45 : 2,990,106.03 = 1,199,874.57 : x
  2. Step 2: Convert to fraction form
    2,166,745.45/2,990,106.03 = 1,199,874.57/x
  3. Step 3: Cross multiply
    2,166,745.45x = 2,990,106.03 × 1,199,874.57
  4. Step 4: Simplify right side
    2,166,745.45x = 3,587,752,195,392.49
  5. Step 5: Solve for x
    x = 3,587,752,195,392.49/2,166,745.45
  6. Step 6: Final answer
    x = 1,655,825.42

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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.