Finding the Fourth Proportional to 1,324,232.80, 1,990,496.40 and 1,299,349.60
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Solution
The fourth proportional to 1,324,232.80, 1,990,496.40 and 1,299,349.60 is: 1,953,093.67
Step by Step Solution
- Step 1: Write the proportion equation
1,324,232.80 : 1,990,496.40 = 1,299,349.60 : x - Step 2: Convert to fraction form
1,324,232.80/1,990,496.40 = 1,299,349.60/x - Step 3: Cross multiply
1,324,232.80x = 1,990,496.40 × 1,299,349.60 - Step 4: Simplify right side
1,324,232.80x = 2,586,350,701,141.44 - Step 5: Solve for x
x = 2,586,350,701,141.44/1,324,232.80 - Step 6: Final answer
x = 1,953,093.67
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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.