Finding the Fourth Proportional to 6,173,231.28, 8,519,042.52 and 3,419,923.92
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Solution
The fourth proportional to 6,173,231.28, 8,519,042.52 and 3,419,923.92 is: 4,719,485.79
Step by Step Solution
- Step 1: Write the proportion equation
6,173,231.28 : 8,519,042.52 = 3,419,923.92 : x - Step 2: Convert to fraction form
6,173,231.28/8,519,042.52 = 3,419,923.92/x - Step 3: Cross multiply
6,173,231.28x = 8,519,042.52 × 3,419,923.92 - Step 4: Simplify right side
6,173,231.28x = 29,134,477,289,645.08 - Step 5: Solve for x
x = 29,134,477,289,645.08/6,173,231.28 - Step 6: Final answer
x = 4,719,485.79
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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.