Finding the Fourth Proportional to 3,882,763.51, 5,358,231.61 and 2,252,136.31
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Solution
The fourth proportional to 3,882,763.51, 5,358,231.61 and 2,252,136.31 is: 3,107,958.53
Step by Step Solution
- Step 1: Write the proportion equation
3,882,763.51 : 5,358,231.61 = 2,252,136.31 : x - Step 2: Convert to fraction form
3,882,763.51/5,358,231.61 = 2,252,136.31/x - Step 3: Cross multiply
3,882,763.51x = 5,358,231.61 × 2,252,136.31 - Step 4: Simplify right side
3,882,763.51x = 12,067,467,947,244.84 - Step 5: Solve for x
x = 12,067,467,947,244.84/3,882,763.51 - Step 6: Final answer
x = 3,107,958.53
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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.