Finding the Fourth Proportional to 4,279,529.01, 5,905,821.40 and 2,319,469.68
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Solution
The fourth proportional to 4,279,529.01, 5,905,821.40 and 2,319,469.68 is: 3,200,906.84
Step by Step Solution
- Step 1: Write the proportion equation
4,279,529.01 : 5,905,821.40 = 2,319,469.68 : x - Step 2: Convert to fraction form
4,279,529.01/5,905,821.40 = 2,319,469.68/x - Step 3: Cross multiply
4,279,529.01x = 5,905,821.40 × 2,319,469.68 - Step 4: Simplify right side
4,279,529.01x = 13,698,373,672,795.15 - Step 5: Solve for x
x = 13,698,373,672,795.15/4,279,529.01 - Step 6: Final answer
x = 3,200,906.84
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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.