Finding the Fourth Proportional to 3,729,091.56, 5,146,199.49 and 2,201,198.68
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Solution
The fourth proportional to 3,729,091.56, 5,146,199.49 and 2,201,198.68 is: 3,037,685.54
Step by Step Solution
- Step 1: Write the proportion equation
3,729,091.56 : 5,146,199.49 = 2,201,198.68 : x - Step 2: Convert to fraction form
3,729,091.56/5,146,199.49 = 2,201,198.68/x - Step 3: Cross multiply
3,729,091.56x = 5,146,199.49 × 2,201,198.68 - Step 4: Simplify right side
3,729,091.56x = 11,327,807,524,404.67 - Step 5: Solve for x
x = 11,327,807,524,404.67/3,729,091.56 - Step 6: Final answer
x = 3,037,685.54
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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.