Finding the Fourth Proportional to 6,173,073.69, 8,518,840.41 and 3,419,939.97
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Solution
The fourth proportional to 6,173,073.69, 8,518,840.41 and 3,419,939.97 is: 4,719,516.45
Step by Step Solution
- Step 1: Write the proportion equation
6,173,073.69 : 8,518,840.41 = 3,419,939.97 : x - Step 2: Convert to fraction form
6,173,073.69/8,518,840.41 = 3,419,939.97/x - Step 3: Cross multiply
6,173,073.69x = 8,518,840.41 × 3,419,939.97 - Step 4: Simplify right side
6,173,073.69x = 29,133,922,816,210.19 - Step 5: Solve for x
x = 29,133,922,816,210.19/6,173,073.69 - Step 6: Final answer
x = 4,719,516.45
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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.