Finding the Fourth Proportional to 2,067,596.58, 3,100,986.09 and 1,965,063.21
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Solution
The fourth proportional to 2,067,596.58, 3,100,986.09 and 1,965,063.21 is: 2,947,206.31
Step by Step Solution
- Step 1: Write the proportion equation
2,067,596.58 : 3,100,986.09 = 1,965,063.21 : x - Step 2: Convert to fraction form
2,067,596.58/3,100,986.09 = 1,965,063.21/x - Step 3: Cross multiply
2,067,596.58x = 3,100,986.09 × 1,965,063.21 - Step 4: Simplify right side
2,067,596.58x = 6,093,633,680,180.75 - Step 5: Solve for x
x = 6,093,633,680,180.75/2,067,596.58 - Step 6: Final answer
x = 2,947,206.31
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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.