Finding the Fourth Proportional to 3,269,355.86, 4,511,640.39 and 1,892,757.62
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Solution
The fourth proportional to 3,269,355.86, 4,511,640.39 and 1,892,757.62 is: 2,611,964.59
Step by Step Solution
- Step 1: Write the proportion equation
3,269,355.86 : 4,511,640.39 = 1,892,757.62 : x - Step 2: Convert to fraction form
3,269,355.86/4,511,640.39 = 1,892,757.62/x - Step 3: Cross multiply
3,269,355.86x = 4,511,640.39 × 1,892,757.62 - Step 4: Simplify right side
3,269,355.86x = 8,539,441,726,872.27 - Step 5: Solve for x
x = 8,539,441,726,872.27/3,269,355.86 - Step 6: Final answer
x = 2,611,964.59
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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.