Finding the Fourth Proportional to 3,972,267.12, 5,481,835.20 and 2,253,645.84
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Solution
The fourth proportional to 3,972,267.12, 5,481,835.20 and 2,253,645.84 is: 3,110,091.72
Step by Step Solution
- Step 1: Write the proportion equation
3,972,267.12 : 5,481,835.20 = 2,253,645.84 : x - Step 2: Convert to fraction form
3,972,267.12/5,481,835.20 = 2,253,645.84/x - Step 3: Cross multiply
3,972,267.12x = 5,481,835.20 × 2,253,645.84 - Step 4: Simplify right side
3,972,267.12x = 12,354,115,094,045.57 - Step 5: Solve for x
x = 12,354,115,094,045.57/3,972,267.12 - Step 6: Final answer
x = 3,110,091.72
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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.