Finding the Fourth Proportional to 2,591,660.70, 3,884,463.72 and 1,949,902.26
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Solution
The fourth proportional to 2,591,660.70, 3,884,463.72 and 1,949,902.26 is: 2,922,575.70
Step by Step Solution
- Step 1: Write the proportion equation
2,591,660.70 : 3,884,463.72 = 1,949,902.26 : x - Step 2: Convert to fraction form
2,591,660.70/3,884,463.72 = 1,949,902.26/x - Step 3: Cross multiply
2,591,660.70x = 3,884,463.72 × 1,949,902.26 - Step 4: Simplify right side
2,591,660.70x = 7,574,324,586,516.01 - Step 5: Solve for x
x = 7,574,324,586,516.01/2,591,660.70 - Step 6: Final answer
x = 2,922,575.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.