Finding the Fourth Proportional to 3,892,122.36, 5,371,096.74 and 2,126,022.12
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Solution
The fourth proportional to 3,892,122.36, 5,371,096.74 and 2,126,022.12 is: 2,933,892.98
Step by Step Solution
- Step 1: Write the proportion equation
3,892,122.36 : 5,371,096.74 = 2,126,022.12 : x - Step 2: Convert to fraction form
3,892,122.36/5,371,096.74 = 2,126,022.12/x - Step 3: Cross multiply
3,892,122.36x = 5,371,096.74 × 2,126,022.12 - Step 4: Simplify right side
3,892,122.36x = 11,419,070,477,899.89 - Step 5: Solve for x
x = 11,419,070,477,899.89/3,892,122.36 - Step 6: Final answer
x = 2,933,892.98
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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.