Finding the Fourth Proportional to 5,764,694.55, 7,955,439.15 and 3,186,541.09
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Solution
The fourth proportional to 5,764,694.55, 7,955,439.15 and 3,186,541.09 is: 4,397,515.52
Step by Step Solution
- Step 1: Write the proportion equation
5,764,694.55 : 7,955,439.15 = 3,186,541.09 : x - Step 2: Convert to fraction form
5,764,694.55/7,955,439.15 = 3,186,541.09/x - Step 3: Cross multiply
5,764,694.55x = 7,955,439.15 × 3,186,541.09 - Step 4: Simplify right side
5,764,694.55x = 25,350,333,740,469.67 - Step 5: Solve for x
x = 25,350,333,740,469.67/5,764,694.55 - Step 6: Final answer
x = 4,397,515.52
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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.