Finding the Fourth Proportional to 3,762,434.68, 5,192,174.73 and 2,043,583.90
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Solution
The fourth proportional to 3,762,434.68, 5,192,174.73 and 2,043,583.90 is: 2,820,153.86
Step by Step Solution
- Step 1: Write the proportion equation
3,762,434.68 : 5,192,174.73 = 2,043,583.90 : x - Step 2: Convert to fraction form
3,762,434.68/5,192,174.73 = 2,043,583.90/x - Step 3: Cross multiply
3,762,434.68x = 5,192,174.73 × 2,043,583.90 - Step 4: Simplify right side
3,762,434.68x = 10,610,644,684,214.85 - Step 5: Solve for x
x = 10,610,644,684,214.85/3,762,434.68 - Step 6: Final answer
x = 2,820,153.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.