Finding the Fourth Proportional to 5,728,396.59, 7,903,252.37 and 3,247,351.09
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Solution
The fourth proportional to 5,728,396.59, 7,903,252.37 and 3,247,351.09 is: 4,480,247.62
Step by Step Solution
- Step 1: Write the proportion equation
5,728,396.59 : 7,903,252.37 = 3,247,351.09 : x - Step 2: Convert to fraction form
5,728,396.59/7,903,252.37 = 3,247,351.09/x - Step 3: Cross multiply
5,728,396.59x = 7,903,252.37 × 3,247,351.09 - Step 4: Simplify right side
5,728,396.59x = 25,664,635,186,624.83 - Step 5: Solve for x
x = 25,664,635,186,624.83/5,728,396.59 - Step 6: Final answer
x = 4,480,247.62
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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.