Finding the Fourth Proportional to 3,438,729.98, 5,157,778.68 and 1,163,994.38
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Solution
The fourth proportional to 3,438,729.98, 5,157,778.68 and 1,163,994.38 is: 1,745,884.50
Step by Step Solution
- Step 1: Write the proportion equation
3,438,729.98 : 5,157,778.68 = 1,163,994.38 : x - Step 2: Convert to fraction form
3,438,729.98/5,157,778.68 = 1,163,994.38/x - Step 3: Cross multiply
3,438,729.98x = 5,157,778.68 × 1,163,994.38 - Step 4: Simplify right side
3,438,729.98x = 6,003,625,375,850.34 - Step 5: Solve for x
x = 6,003,625,375,850.34/3,438,729.98 - Step 6: Final answer
x = 1,745,884.50
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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.