Finding the Fourth Proportional to 5,121,168.50, 7,067,220.13 and 2,916,033.11
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Solution
The fourth proportional to 5,121,168.50, 7,067,220.13 and 2,916,033.11 is: 4,024,130.02
Step by Step Solution
- Step 1: Write the proportion equation
5,121,168.50 : 7,067,220.13 = 2,916,033.11 : x - Step 2: Convert to fraction form
5,121,168.50/7,067,220.13 = 2,916,033.11/x - Step 3: Cross multiply
5,121,168.50x = 7,067,220.13 × 2,916,033.11 - Step 4: Simplify right side
5,121,168.50x = 20,608,247,894,738.50 - Step 5: Solve for x
x = 20,608,247,894,738.50/5,121,168.50 - Step 6: Final answer
x = 4,024,130.02
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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.