Finding the Fourth Proportional to 3,516,657.14, 5,274,928.07 and 1,120,469.22
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Solution
The fourth proportional to 3,516,657.14, 5,274,928.07 and 1,120,469.22 is: 1,680,685.47
Step by Step Solution
- Step 1: Write the proportion equation
3,516,657.14 : 5,274,928.07 = 1,120,469.22 : x - Step 2: Convert to fraction form
3,516,657.14/5,274,928.07 = 1,120,469.22/x - Step 3: Cross multiply
3,516,657.14x = 5,274,928.07 × 1,120,469.22 - Step 4: Simplify right side
3,516,657.14x = 5,910,394,538,748.42 - Step 5: Solve for x
x = 5,910,394,538,748.42/3,516,657.14 - Step 6: Final answer
x = 1,680,685.47
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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.