Finding the Fourth Proportional to 3,921,853.17, 5,843,361.54 and 3,701,583.99
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Solution
The fourth proportional to 3,921,853.17, 5,843,361.54 and 3,701,583.99 is: 5,515,171.68
Step by Step Solution
- Step 1: Write the proportion equation
3,921,853.17 : 5,843,361.54 = 3,701,583.99 : x - Step 2: Convert to fraction form
3,921,853.17/5,843,361.54 = 3,701,583.99/x - Step 3: Cross multiply
3,921,853.17x = 5,843,361.54 × 3,701,583.99 - Step 4: Simplify right side
3,921,853.17x = 21,629,693,524,245.75 - Step 5: Solve for x
x = 21,629,693,524,245.75/3,921,853.17 - Step 6: Final answer
x = 5,515,171.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.