Finding the Fourth Proportional to 3,958,797.62, 5,463,121.46 and 2,147,961.62
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Solution
The fourth proportional to 3,958,797.62, 5,463,121.46 and 2,147,961.62 is: 2,964,176.59
Step by Step Solution
- Step 1: Write the proportion equation
3,958,797.62 : 5,463,121.46 = 2,147,961.62 : x - Step 2: Convert to fraction form
3,958,797.62/5,463,121.46 = 2,147,961.62/x - Step 3: Cross multiply
3,958,797.62x = 5,463,121.46 × 2,147,961.62 - Step 4: Simplify right side
3,958,797.62x = 11,734,575,221,478.37 - Step 5: Solve for x
x = 11,734,575,221,478.37/3,958,797.62 - Step 6: Final answer
x = 2,964,176.59
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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.