Finding the Fourth Proportional to 3,228,163.11, 4,454,692.20 and 1,777,575.42
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Solution
The fourth proportional to 3,228,163.11, 4,454,692.20 and 1,777,575.42 is: 2,452,958.88
Step by Step Solution
- Step 1: Write the proportion equation
3,228,163.11 : 4,454,692.20 = 1,777,575.42 : x - Step 2: Convert to fraction form
3,228,163.11/4,454,692.20 = 1,777,575.42/x - Step 3: Cross multiply
3,228,163.11x = 4,454,692.20 × 1,777,575.42 - Step 4: Simplify right side
3,228,163.11x = 7,918,551,358,385.72 - Step 5: Solve for x
x = 7,918,551,358,385.72/3,228,163.11 - Step 6: Final answer
x = 2,452,958.88
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1.5x scale
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.