Finding the Fourth Proportional to 3,450,578.72, 4,760,474.44 and 2,074,257.23
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Solution
The fourth proportional to 3,450,578.72, 4,760,474.44 and 2,074,257.23 is: 2,861,678.96
Step by Step Solution
- Step 1: Write the proportion equation
3,450,578.72 : 4,760,474.44 = 2,074,257.23 : x - Step 2: Convert to fraction form
3,450,578.72/4,760,474.44 = 2,074,257.23/x - Step 3: Cross multiply
3,450,578.72x = 4,760,474.44 × 2,074,257.23 - Step 4: Simplify right side
3,450,578.72x = 9,874,448,515,028.91 - Step 5: Solve for x
x = 9,874,448,515,028.91/3,450,578.72 - Step 6: Final answer
x = 2,861,678.96
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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.