Finding the Fourth Proportional to 3,177,387.15, 4,384,825.42 and 1,727,081.68
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Solution
The fourth proportional to 3,177,387.15, 4,384,825.42 and 1,727,081.68 is: 2,383,389.66
Step by Step Solution
- Step 1: Write the proportion equation
3,177,387.15 : 4,384,825.42 = 1,727,081.68 : x - Step 2: Convert to fraction form
3,177,387.15/4,384,825.42 = 1,727,081.68/x - Step 3: Cross multiply
3,177,387.15x = 4,384,825.42 × 1,727,081.68 - Step 4: Simplify right side
3,177,387.15x = 7,572,951,652,880.31 - Step 5: Solve for x
x = 7,572,951,652,880.31/3,177,387.15 - Step 6: Final answer
x = 2,383,389.66
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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.