Finding the Fourth Proportional to 2,310,591.36, 3,188,370.61 and 1,277,935.07
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Solution
The fourth proportional to 2,310,591.36, 3,188,370.61 and 1,277,935.07 is: 1,763,414.63
Step by Step Solution
- Step 1: Write the proportion equation
2,310,591.36 : 3,188,370.61 = 1,277,935.07 : x - Step 2: Convert to fraction form
2,310,591.36/3,188,370.61 = 1,277,935.07/x - Step 3: Cross multiply
2,310,591.36x = 3,188,370.61 × 1,277,935.07 - Step 4: Simplify right side
2,310,591.36x = 4,074,530,618,676.29 - Step 5: Solve for x
x = 4,074,530,618,676.29/2,310,591.36 - Step 6: Final answer
x = 1,763,414.63
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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.