Home / 2,131,645.82-3,197,482.49-852,360.77

Finding the Fourth Proportional to 2,131,645.82, 3,197,482.49 and 852,360.77

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Solution

The fourth proportional to 2,131,645.82, 3,197,482.49 and 852,360.77 is: 1,278,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,645.82 : 3,197,482.49 = 852,360.77 : x
  2. Step 2: Convert to fraction form
    2,131,645.82/3,197,482.49 = 852,360.77/x
  3. Step 3: Cross multiply
    2,131,645.82x = 3,197,482.49 × 852,360.77
  4. Step 4: Simplify right side
    2,131,645.82x = 2,725,408,647,362.53
  5. Step 5: Solve for x
    x = 2,725,408,647,362.53/2,131,645.82
  6. Step 6: Final answer
    x = 1,278,546.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.