Finding the Fourth Proportional to 1,989,482.94, 2,981,728.74 and 850,908.87
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Solution
The fourth proportional to 1,989,482.94, 2,981,728.74 and 850,908.87 is: 1,275,295.90
Step by Step Solution
- Step 1: Write the proportion equation
1,989,482.94 : 2,981,728.74 = 850,908.87 : x - Step 2: Convert to fraction form
1,989,482.94/2,981,728.74 = 850,908.87/x - Step 3: Cross multiply
1,989,482.94x = 2,981,728.74 × 850,908.87 - Step 4: Simplify right side
1,989,482.94x = 2,537,179,432,799.92 - Step 5: Solve for x
x = 2,537,179,432,799.92/1,989,482.94 - Step 6: Final answer
x = 1,275,295.90
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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.