Finding the Fourth Proportional to 3,107,476.91, 4,286,832.86 and 2,414,405.68
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Solution
The fourth proportional to 3,107,476.91, 4,286,832.86 and 2,414,405.68 is: 3,330,725.82
Step by Step Solution
- Step 1: Write the proportion equation
3,107,476.91 : 4,286,832.86 = 2,414,405.68 : x - Step 2: Convert to fraction form
3,107,476.91/4,286,832.86 = 2,414,405.68/x - Step 3: Cross multiply
3,107,476.91x = 4,286,832.86 × 2,414,405.68 - Step 4: Simplify right side
3,107,476.91x = 10,350,153,601,713.58 - Step 5: Solve for x
x = 10,350,153,601,713.58/3,107,476.91 - Step 6: Final answer
x = 3,330,725.82
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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.