Finding the Fourth Proportional to 3,101,277.06, 4,279,135.07 and 1,811,868.44
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Solution
The fourth proportional to 3,101,277.06, 4,279,135.07 and 1,811,868.44 is: 2,500,011.96
Step by Step Solution
- Step 1: Write the proportion equation
3,101,277.06 : 4,279,135.07 = 1,811,868.44 : x - Step 2: Convert to fraction form
3,101,277.06/4,279,135.07 = 1,811,868.44/x - Step 3: Cross multiply
3,101,277.06x = 4,279,135.07 × 1,811,868.44 - Step 4: Simplify right side
3,101,277.06x = 7,753,229,753,375.17 - Step 5: Solve for x
x = 7,753,229,753,375.17/3,101,277.06 - Step 6: Final answer
x = 2,500,011.96
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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.