Finding the Fourth Proportional to 3,636,169.62, 5,440,781.75 and 2,914,321.98
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Solution
The fourth proportional to 3,636,169.62, 5,440,781.75 and 2,914,321.98 is: 4,360,684.87
Step by Step Solution
- Step 1: Write the proportion equation
3,636,169.62 : 5,440,781.75 = 2,914,321.98 : x - Step 2: Convert to fraction form
3,636,169.62/5,440,781.75 = 2,914,321.98/x - Step 3: Cross multiply
3,636,169.62x = 5,440,781.75 × 2,914,321.98 - Step 4: Simplify right side
3,636,169.62x = 15,856,189,848,239.19 - Step 5: Solve for x
x = 15,856,189,848,239.19/3,636,169.62 - Step 6: Final answer
x = 4,360,684.87
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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.