Finding the Fourth Proportional to 3,691,858.68, 5,529,816.36 and 3,601,513.80
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Solution
The fourth proportional to 3,691,858.68, 5,529,816.36 and 3,601,513.80 is: 5,394,494.12
Step by Step Solution
- Step 1: Write the proportion equation
3,691,858.68 : 5,529,816.36 = 3,601,513.80 : x - Step 2: Convert to fraction form
3,691,858.68/5,529,816.36 = 3,601,513.80/x - Step 3: Cross multiply
3,691,858.68x = 5,529,816.36 × 3,601,513.80 - Step 4: Simplify right side
3,691,858.68x = 19,915,709,932,005.77 - Step 5: Solve for x
x = 19,915,709,932,005.77/3,691,858.68 - Step 6: Final answer
x = 5,394,494.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.