Finding the Fourth Proportional to 4,057,043.76, 5,587,425.36 and 3,135,879.36
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Solution
The fourth proportional to 4,057,043.76, 5,587,425.36 and 3,135,879.36 is: 4,318,783.06
Step by Step Solution
- Step 1: Write the proportion equation
4,057,043.76 : 5,587,425.36 = 3,135,879.36 : x - Step 2: Convert to fraction form
4,057,043.76/5,587,425.36 = 3,135,879.36/x - Step 3: Cross multiply
4,057,043.76x = 5,587,425.36 × 3,135,879.36 - Step 4: Simplify right side
4,057,043.76x = 17,521,491,861,964.57 - Step 5: Solve for x
x = 17,521,491,861,964.57/4,057,043.76 - Step 6: Final answer
x = 4,318,783.06
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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.