Finding the Fourth Proportional to 5,304,021.28, 7,317,629.40 and 3,469,526.80
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Solution
The fourth proportional to 5,304,021.28, 7,317,629.40 and 3,469,526.80 is: 4,786,691.07
Step by Step Solution
- Step 1: Write the proportion equation
5,304,021.28 : 7,317,629.40 = 3,469,526.80 : x - Step 2: Convert to fraction form
5,304,021.28/7,317,629.40 = 3,469,526.80/x - Step 3: Cross multiply
5,304,021.28x = 7,317,629.40 × 3,469,526.80 - Step 4: Simplify right side
5,304,021.28x = 25,388,711,315,767.92 - Step 5: Solve for x
x = 25,388,711,315,767.92/5,304,021.28 - Step 6: Final answer
x = 4,786,691.07
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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.