Finding the Fourth Proportional to 1,349,431.44, 2,023,147.21 and 816,826.47
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Solution
The fourth proportional to 1,349,431.44, 2,023,147.21 and 816,826.47 is: 1,224,634.42
Step by Step Solution
- Step 1: Write the proportion equation
1,349,431.44 : 2,023,147.21 = 816,826.47 : x - Step 2: Convert to fraction form
1,349,431.44/2,023,147.21 = 816,826.47/x - Step 3: Cross multiply
1,349,431.44x = 2,023,147.21 × 816,826.47 - Step 4: Simplify right side
1,349,431.44x = 1,652,560,193,834.65 - Step 5: Solve for x
x = 1,652,560,193,834.65/1,349,431.44 - Step 6: Final answer
x = 1,224,634.42
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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.