Finding the Fourth Proportional to 3,471,973.46, 4,790,286.86 and 2,246,337.65
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Solution
The fourth proportional to 3,471,973.46, 4,790,286.86 and 2,246,337.65 is: 3,099,275.33
Step by Step Solution
- Step 1: Write the proportion equation
3,471,973.46 : 4,790,286.86 = 2,246,337.65 : x - Step 2: Convert to fraction form
3,471,973.46/4,790,286.86 = 2,246,337.65/x - Step 3: Cross multiply
3,471,973.46x = 4,790,286.86 × 2,246,337.65 - Step 4: Simplify right side
3,471,973.46x = 10,760,601,692,735.16 - Step 5: Solve for x
x = 10,760,601,692,735.16/3,471,973.46 - Step 6: Final answer
x = 3,099,275.33
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1.5x scale
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.