Finding the Fourth Proportional to 3,463,257.70, 5,200,135.35 and 2,665,440.10
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Solution
The fourth proportional to 3,463,257.70, 5,200,135.35 and 2,665,440.10 is: 4,002,199.80
Step by Step Solution
- Step 1: Write the proportion equation
3,463,257.70 : 5,200,135.35 = 2,665,440.10 : x - Step 2: Convert to fraction form
3,463,257.70/5,200,135.35 = 2,665,440.10/x - Step 3: Cross multiply
3,463,257.70x = 5,200,135.35 × 2,665,440.10 - Step 4: Simplify right side
3,463,257.70x = 13,860,649,287,317.54 - Step 5: Solve for x
x = 13,860,649,287,317.54/3,463,257.70 - Step 6: Final answer
x = 4,002,199.80
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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.