Finding the Fourth Proportional to 5,791,116.88, 7,991,474.84 and 3,177,563.55
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Solution
The fourth proportional to 5,791,116.88, 7,991,474.84 and 3,177,563.55 is: 4,384,891.49
Step by Step Solution
- Step 1: Write the proportion equation
5,791,116.88 : 7,991,474.84 = 3,177,563.55 : x - Step 2: Convert to fraction form
5,791,116.88/7,991,474.84 = 3,177,563.55/x - Step 3: Cross multiply
5,791,116.88x = 7,991,474.84 × 3,177,563.55 - Step 4: Simplify right side
5,791,116.88x = 25,393,419,147,477.30 - Step 5: Solve for x
x = 25,393,419,147,477.30/5,791,116.88 - Step 6: Final answer
x = 4,384,891.49
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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.