Finding the Fourth Proportional to 3,227,369.75, 4,453,868.25 and 1,777,117.09
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Solution
The fourth proportional to 3,227,369.75, 4,453,868.25 and 1,777,117.09 is: 2,452,475.54
Step by Step Solution
- Step 1: Write the proportion equation
3,227,369.75 : 4,453,868.25 = 1,777,117.09 : x - Step 2: Convert to fraction form
3,227,369.75/4,453,868.25 = 1,777,117.09/x - Step 3: Cross multiply
3,227,369.75x = 4,453,868.25 × 1,777,117.09 - Step 4: Simplify right side
3,227,369.75x = 7,915,045,365,884.53 - Step 5: Solve for x
x = 7,915,045,365,884.53/3,227,369.75 - Step 6: Final answer
x = 2,452,475.54
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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.