Finding the Fourth Proportional to 2,102,630.13, 2,901,630.75 and 1,135,760.43
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Solution
The fourth proportional to 2,102,630.13, 2,901,630.75 and 1,135,760.43 is: 1,567,350.03
Step by Step Solution
- Step 1: Write the proportion equation
2,102,630.13 : 2,901,630.75 = 1,135,760.43 : x - Step 2: Convert to fraction form
2,102,630.13/2,901,630.75 = 1,135,760.43/x - Step 3: Cross multiply
2,102,630.13x = 2,901,630.75 × 1,135,760.43 - Step 4: Simplify right side
2,102,630.13x = 3,295,557,388,321.22 - Step 5: Solve for x
x = 3,295,557,388,321.22/2,102,630.13 - Step 6: Final answer
x = 1,567,350.03
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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.