Finding the Fourth Proportional to 4,186,761.92, 5,777,715.12 and 2,350,964.96
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Solution
The fourth proportional to 4,186,761.92, 5,777,715.12 and 2,350,964.96 is: 3,244,322.48
Step by Step Solution
- Step 1: Write the proportion equation
4,186,761.92 : 5,777,715.12 = 2,350,964.96 : x - Step 2: Convert to fraction form
4,186,761.92/5,777,715.12 = 2,350,964.96/x - Step 3: Cross multiply
4,186,761.92x = 5,777,715.12 × 2,350,964.96 - Step 4: Simplify right side
4,186,761.92x = 13,583,205,795,982.20 - Step 5: Solve for x
x = 13,583,205,795,982.20/4,186,761.92 - Step 6: Final answer
x = 3,244,322.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.