Finding the Fourth Proportional to 3,597,791.20, 5,389,688.40 and 2,173,616.80
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Solution
The fourth proportional to 3,597,791.20, 5,389,688.40 and 2,173,616.80 is: 3,256,197.09
Step by Step Solution
- Step 1: Write the proportion equation
3,597,791.20 : 5,389,688.40 = 2,173,616.80 : x - Step 2: Convert to fraction form
3,597,791.20/5,389,688.40 = 2,173,616.80/x - Step 3: Cross multiply
3,597,791.20x = 5,389,688.40 × 2,173,616.80 - Step 4: Simplify right side
3,597,791.20x = 11,715,117,253,005.12 - Step 5: Solve for x
x = 11,715,117,253,005.12/3,597,791.20 - Step 6: Final answer
x = 3,256,197.09
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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.