Finding the Fourth Proportional to 5,336,815.75, 7,364,716.43 and 2,889,406.92
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Solution
The fourth proportional to 5,336,815.75, 7,364,716.43 and 2,889,406.92 is: 3,987,333.20
Step by Step Solution
- Step 1: Write the proportion equation
5,336,815.75 : 7,364,716.43 = 2,889,406.92 : x - Step 2: Convert to fraction form
5,336,815.75/7,364,716.43 = 2,889,406.92/x - Step 3: Cross multiply
5,336,815.75x = 7,364,716.43 × 2,889,406.92 - Step 4: Simplify right side
5,336,815.75x = 21,279,662,629,850.35 - Step 5: Solve for x
x = 21,279,662,629,850.35/5,336,815.75 - Step 6: Final answer
x = 3,987,333.20
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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.