Finding the Fourth Proportional to 3,991,571.40, 5,987,549.82 and 1,112,932.62
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Solution
The fourth proportional to 3,991,571.40, 5,987,549.82 and 1,112,932.62 is: 1,669,452.66
Step by Step Solution
- Step 1: Write the proportion equation
3,991,571.40 : 5,987,549.82 = 1,112,932.62 : x - Step 2: Convert to fraction form
3,991,571.40/5,987,549.82 = 1,112,932.62/x - Step 3: Cross multiply
3,991,571.40x = 5,987,549.82 × 1,112,932.62 - Step 4: Simplify right side
3,991,571.40x = 6,663,739,508,553.13 - Step 5: Solve for x
x = 6,663,739,508,553.13/3,991,571.40 - Step 6: Final answer
x = 1,669,452.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.