Finding the Fourth Proportional to 1,373,183.40, 2,060,163.90 and 426,649.80
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Solution
The fourth proportional to 1,373,183.40, 2,060,163.90 and 426,649.80 is: 640,095.50
Step by Step Solution
- Step 1: Write the proportion equation
1,373,183.40 : 2,060,163.90 = 426,649.80 : x - Step 2: Convert to fraction form
1,373,183.40/2,060,163.90 = 426,649.80/x - Step 3: Cross multiply
1,373,183.40x = 2,060,163.90 × 426,649.80 - Step 4: Simplify right side
1,373,183.40x = 878,968,515,902.22 - Step 5: Solve for x
x = 878,968,515,902.22/1,373,183.40 - Step 6: Final answer
x = 640,095.50
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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.