Finding the Fourth Proportional to 4,198,793.86, 6,299,190.28 and 1,358,906.02
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Solution
The fourth proportional to 4,198,793.86, 6,299,190.28 and 1,358,906.02 is: 2,038,682.50
Step by Step Solution
- Step 1: Write the proportion equation
4,198,793.86 : 6,299,190.28 = 1,358,906.02 : x - Step 2: Convert to fraction form
4,198,793.86/6,299,190.28 = 1,358,906.02/x - Step 3: Cross multiply
4,198,793.86x = 6,299,190.28 × 1,358,906.02 - Step 4: Simplify right side
4,198,793.86x = 8,560,007,578,568.14 - Step 5: Solve for x
x = 8,560,007,578,568.14/4,198,793.86 - Step 6: Final answer
x = 2,038,682.50
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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.