Finding the Fourth Proportional to 3,170,222.29, 4,374,915.15 and 1,719,917.68
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Solution
The fourth proportional to 3,170,222.29, 4,374,915.15 and 1,719,917.68 is: 2,373,490.95
Step by Step Solution
- Step 1: Write the proportion equation
3,170,222.29 : 4,374,915.15 = 1,719,917.68 : x - Step 2: Convert to fraction form
3,170,222.29/4,374,915.15 = 1,719,917.68/x - Step 3: Cross multiply
3,170,222.29x = 4,374,915.15 × 1,719,917.68 - Step 4: Simplify right side
3,170,222.29x = 7,524,493,914,984.85 - Step 5: Solve for x
x = 7,524,493,914,984.85/3,170,222.29 - Step 6: Final answer
x = 2,373,490.95
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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.