Finding the Fourth Proportional to 3,477,163.80, 5,215,745.70 and 2,637,355.80
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Solution
The fourth proportional to 3,477,163.80, 5,215,745.70 and 2,637,355.80 is: 3,956,033.70
Step by Step Solution
- Step 1: Write the proportion equation
3,477,163.80 : 5,215,745.70 = 2,637,355.80 : x - Step 2: Convert to fraction form
3,477,163.80/5,215,745.70 = 2,637,355.80/x - Step 3: Cross multiply
3,477,163.80x = 5,215,745.70 × 2,637,355.80 - Step 4: Simplify right side
3,477,163.80x = 13,755,777,173,220.06 - Step 5: Solve for x
x = 13,755,777,173,220.06/3,477,163.80 - Step 6: Final answer
x = 3,956,033.70
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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.