Finding the Fourth Proportional to 3,848,301.99, 5,311,217.25 and 2,216,391.75
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Solution
The fourth proportional to 3,848,301.99, 5,311,217.25 and 2,216,391.75 is: 3,058,943.43
Step by Step Solution
- Step 1: Write the proportion equation
3,848,301.99 : 5,311,217.25 = 2,216,391.75 : x - Step 2: Convert to fraction form
3,848,301.99/5,311,217.25 = 2,216,391.75/x - Step 3: Cross multiply
3,848,301.99x = 5,311,217.25 × 2,216,391.75 - Step 4: Simplify right side
3,848,301.99x = 11,771,738,095,357.69 - Step 5: Solve for x
x = 11,771,738,095,357.69/3,848,301.99 - Step 6: Final answer
x = 3,058,943.43
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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.