Finding the Fourth Proportional to 1,398,377.92, 2,096,059.80 and 677,192.80
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Solution
The fourth proportional to 1,398,377.92, 2,096,059.80 and 677,192.80 is: 1,015,059.37
Step by Step Solution
- Step 1: Write the proportion equation
1,398,377.92 : 2,096,059.80 = 677,192.80 : x - Step 2: Convert to fraction form
1,398,377.92/2,096,059.80 = 677,192.80/x - Step 3: Cross multiply
1,398,377.92x = 2,096,059.80 × 677,192.80 - Step 4: Simplify right side
1,398,377.92x = 1,419,436,604,929.44 - Step 5: Solve for x
x = 1,419,436,604,929.44/1,398,377.92 - Step 6: Final answer
x = 1,015,059.37
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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.