Finding the Fourth Proportional to 3,683,642.99, 5,080,704.09 and 2,703,250.83
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Solution
The fourth proportional to 3,683,642.99, 5,080,704.09 and 2,703,250.83 is: 3,728,487.70
Step by Step Solution
- Step 1: Write the proportion equation
3,683,642.99 : 5,080,704.09 = 2,703,250.83 : x - Step 2: Convert to fraction form
3,683,642.99/5,080,704.09 = 2,703,250.83/x - Step 3: Cross multiply
3,683,642.99x = 5,080,704.09 × 2,703,250.83 - Step 4: Simplify right side
3,683,642.99x = 13,734,417,550,964.16 - Step 5: Solve for x
x = 13,734,417,550,964.16/3,683,642.99 - Step 6: Final answer
x = 3,728,487.70
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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.