Finding the Fourth Proportional to 5,755,236.96, 7,942,183.20 and 3,176,919.48
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Solution
The fourth proportional to 5,755,236.96, 7,942,183.20 and 3,176,919.48 is: 4,384,124.70
Step by Step Solution
- Step 1: Write the proportion equation
5,755,236.96 : 7,942,183.20 = 3,176,919.48 : x - Step 2: Convert to fraction form
5,755,236.96/7,942,183.20 = 3,176,919.48/x - Step 3: Cross multiply
5,755,236.96x = 7,942,183.20 × 3,176,919.48 - Step 4: Simplify right side
5,755,236.96x = 25,231,676,521,808.74 - Step 5: Solve for x
x = 25,231,676,521,808.74/5,755,236.96 - Step 6: Final answer
x = 4,384,124.70
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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.