Finding the Fourth Proportional to 3,613,053.16, 4,985,742.18 and 1,981,199.08
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Solution
The fourth proportional to 3,613,053.16, 4,985,742.18 and 1,981,199.08 is: 2,733,906.03
Step by Step Solution
- Step 1: Write the proportion equation
3,613,053.16 : 4,985,742.18 = 1,981,199.08 : x - Step 2: Convert to fraction form
3,613,053.16/4,985,742.18 = 1,981,199.08/x - Step 3: Cross multiply
3,613,053.16x = 4,985,742.18 × 1,981,199.08 - Step 4: Simplify right side
3,613,053.16x = 9,877,747,820,133.19 - Step 5: Solve for x
x = 9,877,747,820,133.19/3,613,053.16 - Step 6: Final answer
x = 2,733,906.03
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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.