Finding the Fourth Proportional to 3,990,674.40, 5,982,512.40 and 2,393,872.80
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Solution
The fourth proportional to 3,990,674.40, 5,982,512.40 and 2,393,872.80 is: 3,588,710.15
Step by Step Solution
- Step 1: Write the proportion equation
3,990,674.40 : 5,982,512.40 = 2,393,872.80 : x - Step 2: Convert to fraction form
3,990,674.40/5,982,512.40 = 2,393,872.80/x - Step 3: Cross multiply
3,990,674.40x = 5,982,512.40 × 2,393,872.80 - Step 4: Simplify right side
3,990,674.40x = 14,321,373,710,022.72 - Step 5: Solve for x
x = 14,321,373,710,022.72/3,990,674.40 - Step 6: Final answer
x = 3,588,710.15
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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.