Finding the Fourth Proportional to 3,691,404.23, 5,093,377.20 and 2,121,232.46
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Solution
The fourth proportional to 3,691,404.23, 5,093,377.20 and 2,121,232.46 is: 2,926,863.70
Step by Step Solution
- Step 1: Write the proportion equation
3,691,404.23 : 5,093,377.20 = 2,121,232.46 : x - Step 2: Convert to fraction form
3,691,404.23/5,093,377.20 = 2,121,232.46/x - Step 3: Cross multiply
3,691,404.23x = 5,093,377.20 × 2,121,232.46 - Step 4: Simplify right side
3,691,404.23x = 10,804,237,037,057.75 - Step 5: Solve for x
x = 10,804,237,037,057.75/3,691,404.23 - Step 6: Final answer
x = 2,926,863.70
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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.