Finding the Fourth Proportional to 4,337,769.05, 6,467,872.72 and 4,218,591.84
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Solution
The fourth proportional to 4,337,769.05, 6,467,872.72 and 4,218,591.84 is: 6,290,172.37
Step by Step Solution
- Step 1: Write the proportion equation
4,337,769.05 : 6,467,872.72 = 4,218,591.84 : x - Step 2: Convert to fraction form
4,337,769.05/6,467,872.72 = 4,218,591.84/x - Step 3: Cross multiply
4,337,769.05x = 6,467,872.72 × 4,218,591.84 - Step 4: Simplify right side
4,337,769.05x = 27,285,315,025,318.28 - Step 5: Solve for x
x = 27,285,315,025,318.28/4,337,769.05 - Step 6: Final answer
x = 6,290,172.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.