Finding the Fourth Proportional to 3,144,861.66, 4,717,490.13 and 839,311.14
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Solution
The fourth proportional to 3,144,861.66, 4,717,490.13 and 839,311.14 is: 1,259,019.46
Step by Step Solution
- Step 1: Write the proportion equation
3,144,861.66 : 4,717,490.13 = 839,311.14 : x - Step 2: Convert to fraction form
3,144,861.66/4,717,490.13 = 839,311.14/x - Step 3: Cross multiply
3,144,861.66x = 4,717,490.13 × 839,311.14 - Step 4: Simplify right side
3,144,861.66x = 3,959,442,018,949.05 - Step 5: Solve for x
x = 3,959,442,018,949.05/3,144,861.66 - Step 6: Final answer
x = 1,259,019.46
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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.