Finding the Fourth Proportional to 3,991,874.68, 5,987,811.37 and 959,240.53
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Solution
The fourth proportional to 3,991,874.68, 5,987,811.37 and 959,240.53 is: 1,438,860.63
Step by Step Solution
- Step 1: Write the proportion equation
3,991,874.68 : 5,987,811.37 = 959,240.53 : x - Step 2: Convert to fraction form
3,991,874.68/5,987,811.37 = 959,240.53/x - Step 3: Cross multiply
3,991,874.68x = 5,987,811.37 × 959,240.53 - Step 4: Simplify right side
3,991,874.68x = 5,743,751,328,000.49 - Step 5: Solve for x
x = 5,743,751,328,000.49/3,991,874.68 - Step 6: Final answer
x = 1,438,860.63
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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.