Finding the Fourth Proportional to 3,982,189.50, 5,972,775.84 and 1,286,234.64
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Solution
The fourth proportional to 3,982,189.50, 5,972,775.84 and 1,286,234.64 is: 1,929,187.75
Step by Step Solution
- Step 1: Write the proportion equation
3,982,189.50 : 5,972,775.84 = 1,286,234.64 : x - Step 2: Convert to fraction form
3,982,189.50/5,972,775.84 = 1,286,234.64/x - Step 3: Cross multiply
3,982,189.50x = 5,972,775.84 × 1,286,234.64 - Step 4: Simplify right side
3,982,189.50x = 7,682,391,182,363.10 - Step 5: Solve for x
x = 7,682,391,182,363.10/3,982,189.50 - Step 6: Final answer
x = 1,929,187.75
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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.