Finding the Fourth Proportional to 5,192,454.14, 7,784,467.11 and 2,162,087.13
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Solution
The fourth proportional to 5,192,454.14, 7,784,467.11 and 2,162,087.13 is: 3,241,375.99
Step by Step Solution
- Step 1: Write the proportion equation
5,192,454.14 : 7,784,467.11 = 2,162,087.13 : x - Step 2: Convert to fraction form
5,192,454.14/7,784,467.11 = 2,162,087.13/x - Step 3: Cross multiply
5,192,454.14x = 7,784,467.11 × 2,162,087.13 - Step 4: Simplify right side
5,192,454.14x = 16,830,696,152,439.29 - Step 5: Solve for x
x = 16,830,696,152,439.29/5,192,454.14 - Step 6: Final answer
x = 3,241,375.99
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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.