Finding the Fourth Proportional to 3,431,692.12, 5,147,408.74 and 1,035,472.84
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Solution
The fourth proportional to 3,431,692.12, 5,147,408.74 and 1,035,472.84 is: 1,553,170.20
Step by Step Solution
- Step 1: Write the proportion equation
3,431,692.12 : 5,147,408.74 = 1,035,472.84 : x - Step 2: Convert to fraction form
3,431,692.12/5,147,408.74 = 1,035,472.84/x - Step 3: Cross multiply
3,431,692.12x = 5,147,408.74 × 1,035,472.84 - Step 4: Simplify right side
3,431,692.12x = 5,330,001,946,648.62 - Step 5: Solve for x
x = 5,330,001,946,648.62/3,431,692.12 - Step 6: Final answer
x = 1,553,170.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.