Finding the Fourth Proportional to 3,825,918.55, 5,279,703.37 and 2,107,198.99
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Solution
The fourth proportional to 3,825,918.55, 5,279,703.37 and 2,107,198.99 is: 2,907,899.23
Step by Step Solution
- Step 1: Write the proportion equation
3,825,918.55 : 5,279,703.37 = 2,107,198.99 : x - Step 2: Convert to fraction form
3,825,918.55/5,279,703.37 = 2,107,198.99/x - Step 3: Cross multiply
3,825,918.55x = 5,279,703.37 × 2,107,198.99 - Step 4: Simplify right side
3,825,918.55x = 11,125,385,608,763.60 - Step 5: Solve for x
x = 11,125,385,608,763.60/3,825,918.55 - Step 6: Final answer
x = 2,907,899.23
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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.