Finding the Fourth Proportional to 5,255,105.20, 7,882,657.80 and 3,093,911.80
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Solution
The fourth proportional to 5,255,105.20, 7,882,657.80 and 3,093,911.80 is: 4,640,867.70
Step by Step Solution
- Step 1: Write the proportion equation
5,255,105.20 : 7,882,657.80 = 3,093,911.80 : x - Step 2: Convert to fraction form
5,255,105.20/7,882,657.80 = 3,093,911.80/x - Step 3: Cross multiply
5,255,105.20x = 7,882,657.80 × 3,093,911.80 - Step 4: Simplify right side
5,255,105.20x = 24,388,247,982,782.04 - Step 5: Solve for x
x = 24,388,247,982,782.04/5,255,105.20 - Step 6: Final answer
x = 4,640,867.70
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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.