Finding the Fourth Proportional to 1,680,491.92, 2,521,858.80 and 871,621.84
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Solution
The fourth proportional to 1,680,491.92, 2,521,858.80 and 871,621.84 is: 1,308,014.15
Step by Step Solution
- Step 1: Write the proportion equation
1,680,491.92 : 2,521,858.80 = 871,621.84 : x - Step 2: Convert to fraction form
1,680,491.92/2,521,858.80 = 871,621.84/x - Step 3: Cross multiply
1,680,491.92x = 2,521,858.80 × 871,621.84 - Step 4: Simplify right side
1,680,491.92x = 2,198,107,207,476.19 - Step 5: Solve for x
x = 2,198,107,207,476.19/1,680,491.92 - Step 6: Final answer
x = 1,308,014.15
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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.