Finding the Fourth Proportional to 4,337,770.05, 6,467,874.21 and 4,218,592.84
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Solution
The fourth proportional to 4,337,770.05, 6,467,874.21 and 4,218,592.84 is: 6,290,173.87
Step by Step Solution
- Step 1: Write the proportion equation
4,337,770.05 : 6,467,874.21 = 4,218,592.84 : x - Step 2: Convert to fraction form
4,337,770.05/6,467,874.21 = 4,218,592.84/x - Step 3: Cross multiply
4,337,770.05x = 6,467,874.21 × 4,218,592.84 - Step 4: Simplify right side
4,337,770.05x = 27,285,327,832,326.66 - Step 5: Solve for x
x = 27,285,327,832,326.66/4,337,770.05 - Step 6: Final answer
x = 6,290,173.87
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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.