Finding the Fourth Proportional to 2,489,144.21, 3,734,293.91 and 783,243.17
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Solution
The fourth proportional to 2,489,144.21, 3,734,293.91 and 783,243.17 is: 1,175,046.50
Step by Step Solution
- Step 1: Write the proportion equation
2,489,144.21 : 3,734,293.91 = 783,243.17 : x - Step 2: Convert to fraction form
2,489,144.21/3,734,293.91 = 783,243.17/x - Step 3: Cross multiply
2,489,144.21x = 3,734,293.91 × 783,243.17 - Step 4: Simplify right side
2,489,144.21x = 2,924,860,198,197.81 - Step 5: Solve for x
x = 2,924,860,198,197.81/2,489,144.21 - Step 6: Final answer
x = 1,175,046.50
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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.