Finding the Fourth Proportional to 1,512,471.65, 2,087,183.81 and 824,149.46
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Solution
The fourth proportional to 1,512,471.65, 2,087,183.81 and 824,149.46 is: 1,137,311.50
Step by Step Solution
- Step 1: Write the proportion equation
1,512,471.65 : 2,087,183.81 = 824,149.46 : x - Step 2: Convert to fraction form
1,512,471.65/2,087,183.81 = 824,149.46/x - Step 3: Cross multiply
1,512,471.65x = 2,087,183.81 × 824,149.46 - Step 4: Simplify right side
1,512,471.65x = 1,720,151,395,375.58 - Step 5: Solve for x
x = 1,720,151,395,375.58/1,512,471.65 - Step 6: Final answer
x = 1,137,311.50
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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.