Finding the Fourth Proportional to 5,512,311.51, 8,269,570.97 and 3,086,913.91
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Solution
The fourth proportional to 5,512,311.51, 8,269,570.97 and 3,086,913.91 is: 4,630,988.94
Step by Step Solution
- Step 1: Write the proportion equation
5,512,311.51 : 8,269,570.97 = 3,086,913.91 : x - Step 2: Convert to fraction form
5,512,311.51/8,269,570.97 = 3,086,913.91/x - Step 3: Cross multiply
5,512,311.51x = 8,269,570.97 × 3,086,913.91 - Step 4: Simplify right side
5,512,311.51x = 25,527,453,657,025.19 - Step 5: Solve for x
x = 25,527,453,657,025.19/5,512,311.51 - Step 6: Final answer
x = 4,630,988.94
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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.