Finding the Fourth Proportional to 4,003,591.75, 5,524,959.61 and 2,168,052.05
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Solution
The fourth proportional to 4,003,591.75, 5,524,959.61 and 2,168,052.05 is: 2,991,913.45
Step by Step Solution
- Step 1: Write the proportion equation
4,003,591.75 : 5,524,959.61 = 2,168,052.05 : x - Step 2: Convert to fraction form
4,003,591.75/5,524,959.61 = 2,168,052.05/x - Step 3: Cross multiply
4,003,591.75x = 5,524,959.61 × 2,168,052.05 - Step 4: Simplify right side
4,003,591.75x = 11,978,399,987,556.19 - Step 5: Solve for x
x = 11,978,399,987,556.19/4,003,591.75 - Step 6: Final answer
x = 2,991,913.45
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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.