Finding the Fourth Proportional to 3,450,777.26, 5,175,604.70 and 1,629,138.69
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Solution
The fourth proportional to 3,450,777.26, 5,175,604.70 and 1,629,138.69 is: 2,443,443.09
Step by Step Solution
- Step 1: Write the proportion equation
3,450,777.26 : 5,175,604.70 = 1,629,138.69 : x - Step 2: Convert to fraction form
3,450,777.26/5,175,604.70 = 1,629,138.69/x - Step 3: Cross multiply
3,450,777.26x = 5,175,604.70 × 1,629,138.69 - Step 4: Simplify right side
3,450,777.26x = 8,431,777,852,770.15 - Step 5: Solve for x
x = 8,431,777,852,770.15/3,450,777.26 - Step 6: Final answer
x = 2,443,443.09
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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.