Finding the Fourth Proportional to 2,321,186.12, 3,202,415.68 and 1,516,836.68
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Solution
The fourth proportional to 2,321,186.12, 3,202,415.68 and 1,516,836.68 is: 2,092,698.01
Step by Step Solution
- Step 1: Write the proportion equation
2,321,186.12 : 3,202,415.68 = 1,516,836.68 : x - Step 2: Convert to fraction form
2,321,186.12/3,202,415.68 = 1,516,836.68/x - Step 3: Cross multiply
2,321,186.12x = 3,202,415.68 × 1,516,836.68 - Step 4: Simplify right side
2,321,186.12x = 4,857,541,568,031.14 - Step 5: Solve for x
x = 4,857,541,568,031.14/2,321,186.12 - Step 6: Final answer
x = 2,092,698.01
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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.