Finding the Fourth Proportional to 1,720,791.65, 2,582,324.52 and 810,234.53
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Solution
The fourth proportional to 1,720,791.65, 2,582,324.52 and 810,234.53 is: 1,215,887.17
Step by Step Solution
- Step 1: Write the proportion equation
1,720,791.65 : 2,582,324.52 = 810,234.53 : x - Step 2: Convert to fraction form
1,720,791.65/2,582,324.52 = 810,234.53/x - Step 3: Cross multiply
1,720,791.65x = 2,582,324.52 × 810,234.53 - Step 4: Simplify right side
1,720,791.65x = 2,092,288,480,858.05 - Step 5: Solve for x
x = 2,092,288,480,858.05/1,720,791.65 - Step 6: Final answer
x = 1,215,887.17
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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.