Finding the Fourth Proportional to 3,994,578.99, 5,991,912.23 and 1,154,715.75
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Solution
The fourth proportional to 3,994,578.99, 5,991,912.23 and 1,154,715.75 is: 1,732,086.27
Step by Step Solution
- Step 1: Write the proportion equation
3,994,578.99 : 5,991,912.23 = 1,154,715.75 : x - Step 2: Convert to fraction form
3,994,578.99/5,991,912.23 = 1,154,715.75/x - Step 3: Cross multiply
3,994,578.99x = 5,991,912.23 × 1,154,715.75 - Step 4: Simplify right side
3,994,578.99x = 6,918,955,418,825.04 - Step 5: Solve for x
x = 6,918,955,418,825.04/3,994,578.99 - Step 6: Final answer
x = 1,732,086.27
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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.