Finding the Fourth Proportional to 7,857,007.62, 11,787,284.62 and 2,392,591.26
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Solution
The fourth proportional to 7,857,007.62, 11,787,284.62 and 2,392,591.26 is: 3,589,426.86
Step by Step Solution
- Step 1: Write the proportion equation
7,857,007.62 : 11,787,284.62 = 2,392,591.26 : x - Step 2: Convert to fraction form
7,857,007.62/11,787,284.62 = 2,392,591.26/x - Step 3: Cross multiply
7,857,007.62x = 11,787,284.62 × 2,392,591.26 - Step 4: Simplify right side
7,857,007.62x = 28,202,154,160,944.42 - Step 5: Solve for x
x = 28,202,154,160,944.42/7,857,007.62 - Step 6: Final answer
x = 3,589,426.86
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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.