Finding the Fourth Proportional to 3,589,704.12, 4,960,242.81 and 2,728,769.70
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Solution
The fourth proportional to 3,589,704.12, 4,960,242.81 and 2,728,769.70 is: 3,770,606.11
Step by Step Solution
- Step 1: Write the proportion equation
3,589,704.12 : 4,960,242.81 = 2,728,769.70 : x - Step 2: Convert to fraction form
3,589,704.12/4,960,242.81 = 2,728,769.70/x - Step 3: Cross multiply
3,589,704.12x = 4,960,242.81 × 2,728,769.70 - Step 4: Simplify right side
3,589,704.12x = 13,535,360,284,570.86 - Step 5: Solve for x
x = 13,535,360,284,570.86/3,589,704.12 - Step 6: Final answer
x = 3,770,606.11
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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.