Finding the Fourth Proportional to 6,519,121.92, 8,995,952 and 3,942,223.68
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Solution
The fourth proportional to 6,519,121.92, 8,995,952 and 3,942,223.68 is: 5,440,004.87
Step by Step Solution
- Step 1: Write the proportion equation
6,519,121.92 : 8,995,952 = 3,942,223.68 : x - Step 2: Convert to fraction form
6,519,121.92/8,995,952 = 3,942,223.68/x - Step 3: Cross multiply
6,519,121.92x = 8,995,952 × 3,942,223.68 - Step 4: Simplify right side
6,519,121.92x = 35,464,054,998,543.36 - Step 5: Solve for x
x = 35,464,054,998,543.36/6,519,121.92 - Step 6: Final answer
x = 5,440,004.87
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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.