Finding the Fourth Proportional to 4,211,315.97, 5,811,619.92 and 2,277,576.55
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Solution
The fourth proportional to 4,211,315.97, 5,811,619.92 and 2,277,576.55 is: 3,143,057.74
Step by Step Solution
- Step 1: Write the proportion equation
4,211,315.97 : 5,811,619.92 = 2,277,576.55 : x - Step 2: Convert to fraction form
4,211,315.97/5,811,619.92 = 2,277,576.55/x - Step 3: Cross multiply
4,211,315.97x = 5,811,619.92 × 2,277,576.55 - Step 4: Simplify right side
4,211,315.97x = 13,236,409,252,434.17 - Step 5: Solve for x
x = 13,236,409,252,434.17/4,211,315.97 - Step 6: Final answer
x = 3,143,057.74
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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.