Finding the Fourth Proportional to 3,169,414.69, 4,373,760.12 and 1,719,078.97
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Solution
The fourth proportional to 3,169,414.69, 4,373,760.12 and 1,719,078.97 is: 2,372,311.54
Step by Step Solution
- Step 1: Write the proportion equation
3,169,414.69 : 4,373,760.12 = 1,719,078.97 : x - Step 2: Convert to fraction form
3,169,414.69/4,373,760.12 = 1,719,078.97/x - Step 3: Cross multiply
3,169,414.69x = 4,373,760.12 × 1,719,078.97 - Step 4: Simplify right side
3,169,414.69x = 7,518,839,042,116.68 - Step 5: Solve for x
x = 7,518,839,042,116.68/3,169,414.69 - Step 6: Final answer
x = 2,372,311.54
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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.