Finding the Fourth Proportional to 3,998,057.97, 5,997,082.10 and 1,302,378.78
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Solution
The fourth proportional to 3,998,057.97, 5,997,082.10 and 1,302,378.78 is: 1,953,566.59
Step by Step Solution
- Step 1: Write the proportion equation
3,998,057.97 : 5,997,082.10 = 1,302,378.78 : x - Step 2: Convert to fraction form
3,998,057.97/5,997,082.10 = 1,302,378.78/x - Step 3: Cross multiply
3,998,057.97x = 5,997,082.10 × 1,302,378.78 - Step 4: Simplify right side
3,998,057.97x = 7,810,472,492,260.62 - Step 5: Solve for x
x = 7,810,472,492,260.62/3,998,057.97 - Step 6: Final answer
x = 1,953,566.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.