Finding the Fourth Proportional to 2,561,198.08, 3,534,145.68 and 1,415,121.52
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Solution
The fourth proportional to 2,561,198.08, 3,534,145.68 and 1,415,121.52 is: 1,952,697.70
Step by Step Solution
- Step 1: Write the proportion equation
2,561,198.08 : 3,534,145.68 = 1,415,121.52 : x - Step 2: Convert to fraction form
2,561,198.08/3,534,145.68 = 1,415,121.52/x - Step 3: Cross multiply
2,561,198.08x = 3,534,145.68 × 1,415,121.52 - Step 4: Simplify right side
2,561,198.08x = 5,001,245,606,583.03 - Step 5: Solve for x
x = 5,001,245,606,583.03/2,561,198.08 - Step 6: Final answer
x = 1,952,697.70
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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.