Finding the Fourth Proportional to 4,491,761.99, 6,741,136.88 and 3,135,111.21
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Solution
The fourth proportional to 4,491,761.99, 6,741,136.88 and 3,135,111.21 is: 4,705,105.45
Step by Step Solution
- Step 1: Write the proportion equation
4,491,761.99 : 6,741,136.88 = 3,135,111.21 : x - Step 2: Convert to fraction form
4,491,761.99/6,741,136.88 = 3,135,111.21/x - Step 3: Cross multiply
4,491,761.99x = 6,741,136.88 × 3,135,111.21 - Step 4: Simplify right side
4,491,761.99x = 21,134,213,796,713.54 - Step 5: Solve for x
x = 21,134,213,796,713.54/4,491,761.99 - Step 6: Final answer
x = 4,705,105.45
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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.