Finding the Fourth Proportional to 5,330,102.92, 7,355,542.02 and 2,882,713.96
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Solution
The fourth proportional to 5,330,102.92, 7,355,542.02 and 2,882,713.96 is: 3,978,145.26
Step by Step Solution
- Step 1: Write the proportion equation
5,330,102.92 : 7,355,542.02 = 2,882,713.96 : x - Step 2: Convert to fraction form
5,330,102.92/7,355,542.02 = 2,882,713.96/x - Step 3: Cross multiply
5,330,102.92x = 7,355,542.02 × 2,882,713.96 - Step 4: Simplify right side
5,330,102.92x = 21,203,923,664,420.60 - Step 5: Solve for x
x = 21,203,923,664,420.60/5,330,102.92 - Step 6: Final answer
x = 3,978,145.26
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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.