Finding the Fourth Proportional to 1,332,361.50, 1,998,523.68 and 321,474.96
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Solution
The fourth proportional to 1,332,361.50, 1,998,523.68 and 321,474.96 is: 482,207.96
Step by Step Solution
- Step 1: Write the proportion equation
1,332,361.50 : 1,998,523.68 = 321,474.96 : x - Step 2: Convert to fraction form
1,332,361.50/1,998,523.68 = 321,474.96/x - Step 3: Cross multiply
1,332,361.50x = 1,998,523.68 × 321,474.96 - Step 4: Simplify right side
1,332,361.50x = 642,475,318,881.52 - Step 5: Solve for x
x = 642,475,318,881.52/1,332,361.50 - Step 6: Final answer
x = 482,207.96
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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.