Finding the Fourth Proportional to 1,981,536.73, 2,734,521.08 and 1,207,167.54
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Solution
The fourth proportional to 1,981,536.73, 2,734,521.08 and 1,207,167.54 is: 1,665,891.44
Step by Step Solution
- Step 1: Write the proportion equation
1,981,536.73 : 2,734,521.08 = 1,207,167.54 : x - Step 2: Convert to fraction form
1,981,536.73/2,734,521.08 = 1,207,167.54/x - Step 3: Cross multiply
1,981,536.73x = 2,734,521.08 × 1,207,167.54 - Step 4: Simplify right side
1,981,536.73x = 3,301,025,085,221.74 - Step 5: Solve for x
x = 3,301,025,085,221.74/1,981,536.73 - Step 6: Final answer
x = 1,665,891.44
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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.