Finding the Fourth Proportional to 5,461,961.48, 8,192,213.08 and 1,623,711.92
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Solution
The fourth proportional to 5,461,961.48, 8,192,213.08 and 1,623,711.92 is: 2,435,351.12
Step by Step Solution
- Step 1: Write the proportion equation
5,461,961.48 : 8,192,213.08 = 1,623,711.92 : x - Step 2: Convert to fraction form
5,461,961.48/8,192,213.08 = 1,623,711.92/x - Step 3: Cross multiply
5,461,961.48x = 8,192,213.08 × 1,623,711.92 - Step 4: Simplify right side
5,461,961.48x = 13,301,794,029,175.91 - Step 5: Solve for x
x = 13,301,794,029,175.91/5,461,961.48 - Step 6: Final answer
x = 2,435,351.12
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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.