Finding the Fourth Proportional to 3,613,183.63, 4,986,284.96 and 1,981,655.95
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Solution
The fourth proportional to 3,613,183.63, 4,986,284.96 and 1,981,655.95 is: 2,734,735.42
Step by Step Solution
- Step 1: Write the proportion equation
3,613,183.63 : 4,986,284.96 = 1,981,655.95 : x - Step 2: Convert to fraction form
3,613,183.63/4,986,284.96 = 1,981,655.95/x - Step 3: Cross multiply
3,613,183.63x = 4,986,284.96 × 1,981,655.95 - Step 4: Simplify right side
3,613,183.63x = 9,881,101,259,379.51 - Step 5: Solve for x
x = 9,881,101,259,379.51/3,613,183.63 - Step 6: Final answer
x = 2,734,735.42
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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.