Finding the Fourth Proportional to 2,638,631.97, 3,951,498.70 and 2,383,042.07
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Solution
The fourth proportional to 2,638,631.97, 3,951,498.70 and 2,383,042.07 is: 3,568,738.54
Step by Step Solution
- Step 1: Write the proportion equation
2,638,631.97 : 3,951,498.70 = 2,383,042.07 : x - Step 2: Convert to fraction form
2,638,631.97/3,951,498.70 = 2,383,042.07/x - Step 3: Cross multiply
2,638,631.97x = 3,951,498.70 × 2,383,042.07 - Step 4: Simplify right side
2,638,631.97x = 9,416,587,615,935.21 - Step 5: Solve for x
x = 9,416,587,615,935.21/2,638,631.97 - Step 6: Final answer
x = 3,568,738.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.