Finding the Fourth Proportional to 5,777,269.62, 7,972,872.53 and 3,198,950.31
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Solution
The fourth proportional to 5,777,269.62, 7,972,872.53 and 3,198,950.31 is: 4,414,684.58
Step by Step Solution
- Step 1: Write the proportion equation
5,777,269.62 : 7,972,872.53 = 3,198,950.31 : x - Step 2: Convert to fraction form
5,777,269.62/7,972,872.53 = 3,198,950.31/x - Step 3: Cross multiply
5,777,269.62x = 7,972,872.53 × 3,198,950.31 - Step 4: Simplify right side
5,777,269.62x = 25,504,823,065,337.51 - Step 5: Solve for x
x = 25,504,823,065,337.51/5,777,269.62 - Step 6: Final answer
x = 4,414,684.58
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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.