Finding the Fourth Proportional to 4,163,685.96, 5,745,136.50 and 2,328,180.60
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Solution
The fourth proportional to 4,163,685.96, 5,745,136.50 and 2,328,180.60 is: 3,212,469.79
Step by Step Solution
- Step 1: Write the proportion equation
4,163,685.96 : 5,745,136.50 = 2,328,180.60 : x - Step 2: Convert to fraction form
4,163,685.96/5,745,136.50 = 2,328,180.60/x - Step 3: Cross multiply
4,163,685.96x = 5,745,136.50 × 2,328,180.60 - Step 4: Simplify right side
4,163,685.96x = 13,375,715,343,651.90 - Step 5: Solve for x
x = 13,375,715,343,651.90/4,163,685.96 - Step 6: Final answer
x = 3,212,469.79
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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.