Finding the Fourth Proportional to 1,821,753.10, 2,732,957.70 and 756,902.80
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Solution
The fourth proportional to 1,821,753.10, 2,732,957.70 and 756,902.80 is: 1,135,490.50
Step by Step Solution
- Step 1: Write the proportion equation
1,821,753.10 : 2,732,957.70 = 756,902.80 : x - Step 2: Convert to fraction form
1,821,753.10/2,732,957.70 = 756,902.80/x - Step 3: Cross multiply
1,821,753.10x = 2,732,957.70 × 756,902.80 - Step 4: Simplify right side
1,821,753.10x = 2,068,583,335,411.56 - Step 5: Solve for x
x = 2,068,583,335,411.56/1,821,753.10 - Step 6: Final answer
x = 1,135,490.50
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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.