Finding the Fourth Proportional to 3,993,241.97, 5,519,982.87 and 3,561,933.98
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Solution
The fourth proportional to 3,993,241.97, 5,519,982.87 and 3,561,933.98 is: 4,923,772.39
Step by Step Solution
- Step 1: Write the proportion equation
3,993,241.97 : 5,519,982.87 = 3,561,933.98 : x - Step 2: Convert to fraction form
3,993,241.97/5,519,982.87 = 3,561,933.98/x - Step 3: Cross multiply
3,993,241.97x = 5,519,982.87 × 3,561,933.98 - Step 4: Simplify right side
3,993,241.97x = 19,661,814,553,670.92 - Step 5: Solve for x
x = 19,661,814,553,670.92/3,993,241.97 - Step 6: Final answer
x = 4,923,772.39
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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.