Finding the Fourth Proportional to 3,511,392.67, 5,267,088.90 and 987,047.92
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Solution
The fourth proportional to 3,511,392.67, 5,267,088.90 and 987,047.92 is: 1,480,571.85
Step by Step Solution
- Step 1: Write the proportion equation
3,511,392.67 : 5,267,088.90 = 987,047.92 : x - Step 2: Convert to fraction form
3,511,392.67/5,267,088.90 = 987,047.92/x - Step 3: Cross multiply
3,511,392.67x = 5,267,088.90 × 987,047.92 - Step 4: Simplify right side
3,511,392.67x = 5,198,869,143,200.09 - Step 5: Solve for x
x = 5,198,869,143,200.09/3,511,392.67 - Step 6: Final answer
x = 1,480,571.85
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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.