Finding the Fourth Proportional to 5,755,474.62, 7,942,556.34 and 3,177,157.14
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Solution
The fourth proportional to 5,755,474.62, 7,942,556.34 and 3,177,157.14 is: 4,384,477.61
Step by Step Solution
- Step 1: Write the proportion equation
5,755,474.62 : 7,942,556.34 = 3,177,157.14 : x - Step 2: Convert to fraction form
5,755,474.62/7,942,556.34 = 3,177,157.14/x - Step 3: Cross multiply
5,755,474.62x = 7,942,556.34 × 3,177,157.14 - Step 4: Simplify right side
5,755,474.62x = 25,234,749,585,483.27 - Step 5: Solve for x
x = 25,234,749,585,483.27/5,755,474.62 - Step 6: Final answer
x = 4,384,477.61
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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.