Finding the Fourth Proportional to 1,507,183.29, 2,079,912.47 and 828,163.53
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Solution
The fourth proportional to 1,507,183.29, 2,079,912.47 and 828,163.53 is: 1,142,865.41
Step by Step Solution
- Step 1: Write the proportion equation
1,507,183.29 : 2,079,912.47 = 828,163.53 : x - Step 2: Convert to fraction form
1,507,183.29/2,079,912.47 = 828,163.53/x - Step 3: Cross multiply
1,507,183.29x = 2,079,912.47 × 828,163.53 - Step 4: Simplify right side
1,507,183.29x = 1,722,507,649,105.40 - Step 5: Solve for x
x = 1,722,507,649,105.40/1,507,183.29 - Step 6: Final answer
x = 1,142,865.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.