Finding the Fourth Proportional to 4,085,077.12, 5,637,414.72 and 2,274,305.92
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Solution
The fourth proportional to 4,085,077.12, 5,637,414.72 and 2,274,305.92 is: 3,138,546.79
Step by Step Solution
- Step 1: Write the proportion equation
4,085,077.12 : 5,637,414.72 = 2,274,305.92 : x - Step 2: Convert to fraction form
4,085,077.12/5,637,414.72 = 2,274,305.92/x - Step 3: Cross multiply
4,085,077.12x = 5,637,414.72 × 2,274,305.92 - Step 4: Simplify right side
4,085,077.12x = 12,821,205,671,191.14 - Step 5: Solve for x
x = 12,821,205,671,191.14/4,085,077.12 - Step 6: Final answer
x = 3,138,546.79
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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.