Finding the Fourth Proportional to 4,279,528.86, 5,905,821.18 and 2,319,469.53
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Solution
The fourth proportional to 4,279,528.86, 5,905,821.18 and 2,319,469.53 is: 3,200,906.62
Step by Step Solution
- Step 1: Write the proportion equation
4,279,528.86 : 5,905,821.18 = 2,319,469.53 : x - Step 2: Convert to fraction form
4,279,528.86/5,905,821.18 = 2,319,469.53/x - Step 3: Cross multiply
4,279,528.86x = 5,905,821.18 × 2,319,469.53 - Step 4: Simplify right side
4,279,528.86x = 13,698,372,276,638.64 - Step 5: Solve for x
x = 13,698,372,276,638.64/4,279,528.86 - Step 6: Final answer
x = 3,200,906.62
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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.