Finding the Fourth Proportional to 2,409,861.30, 3,612,269.79 and 811,872.18
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Solution
The fourth proportional to 2,409,861.30, 3,612,269.79 and 811,872.18 is: 1,216,958.56
Step by Step Solution
- Step 1: Write the proportion equation
2,409,861.30 : 3,612,269.79 = 811,872.18 : x - Step 2: Convert to fraction form
2,409,861.30/3,612,269.79 = 811,872.18/x - Step 3: Cross multiply
2,409,861.30x = 3,612,269.79 × 811,872.18 - Step 4: Simplify right side
2,409,861.30x = 2,932,701,349,155.44 - Step 5: Solve for x
x = 2,932,701,349,155.44/2,409,861.30 - Step 6: Final answer
x = 1,216,958.56
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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.