Finding the Fourth Proportional to 1,989,540.36, 2,981,814.84 and 850,966.56
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Solution
The fourth proportional to 1,989,540.36, 2,981,814.84 and 850,966.56 is: 1,275,382.38
Step by Step Solution
- Step 1: Write the proportion equation
1,989,540.36 : 2,981,814.84 = 850,966.56 : x - Step 2: Convert to fraction form
1,989,540.36/2,981,814.84 = 850,966.56/x - Step 3: Cross multiply
1,989,540.36x = 2,981,814.84 × 850,966.56 - Step 4: Simplify right side
1,989,540.36x = 2,537,424,716,951.75 - Step 5: Solve for x
x = 2,537,424,716,951.75/1,989,540.36 - Step 6: Final answer
x = 1,275,382.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.