Finding the Fourth Proportional to 1,328,163.48, 1,991,553.48 and 474,906.24
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Solution
The fourth proportional to 1,328,163.48, 1,991,553.48 and 474,906.24 is: 712,112.02
Step by Step Solution
- Step 1: Write the proportion equation
1,328,163.48 : 1,991,553.48 = 474,906.24 : x - Step 2: Convert to fraction form
1,328,163.48/1,991,553.48 = 474,906.24/x - Step 3: Cross multiply
1,328,163.48x = 1,991,553.48 × 474,906.24 - Step 4: Simplify right side
1,328,163.48x = 945,801,174,945.72 - Step 5: Solve for x
x = 945,801,174,945.72/1,328,163.48 - Step 6: Final answer
x = 712,112.02
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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.