Finding the Fourth Proportional to 6,412,760.42, 8,850,195.44 and 3,512,568.79
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Solution
The fourth proportional to 6,412,760.42, 8,850,195.44 and 3,512,568.79 is: 4,847,665.94
Step by Step Solution
- Step 1: Write the proportion equation
6,412,760.42 : 8,850,195.44 = 3,512,568.79 : x - Step 2: Convert to fraction form
6,412,760.42/8,850,195.44 = 3,512,568.79/x - Step 3: Cross multiply
6,412,760.42x = 8,850,195.44 × 3,512,568.79 - Step 4: Simplify right side
6,412,760.42x = 31,086,920,274,600.25 - Step 5: Solve for x
x = 31,086,920,274,600.25/6,412,760.42 - Step 6: Final answer
x = 4,847,665.94
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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.