Finding the Fourth Proportional to 5,515,423.92, 8,274,464.48 and 1,728,906.80
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Solution
The fourth proportional to 5,515,423.92, 8,274,464.48 and 1,728,906.80 is: 2,593,776.67
Step by Step Solution
- Step 1: Write the proportion equation
5,515,423.92 : 8,274,464.48 = 1,728,906.80 : x - Step 2: Convert to fraction form
5,515,423.92/8,274,464.48 = 1,728,906.80/x - Step 3: Cross multiply
5,515,423.92x = 8,274,464.48 × 1,728,906.80 - Step 4: Simplify right side
5,515,423.92x = 14,305,777,868,780.41 - Step 5: Solve for x
x = 14,305,777,868,780.41/5,515,423.92 - Step 6: Final answer
x = 2,593,776.67
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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.