Finding the Fourth Proportional to 1,617,338.13, 2,231,920.35 and 892,230.99
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Solution
The fourth proportional to 1,617,338.13, 2,231,920.35 and 892,230.99 is: 1,231,275.31
Step by Step Solution
- Step 1: Write the proportion equation
1,617,338.13 : 2,231,920.35 = 892,230.99 : x - Step 2: Convert to fraction form
1,617,338.13/2,231,920.35 = 892,230.99/x - Step 3: Cross multiply
1,617,338.13x = 2,231,920.35 × 892,230.99 - Step 4: Simplify right side
1,617,338.13x = 1,991,388,503,481.65 - Step 5: Solve for x
x = 1,991,388,503,481.65/1,617,338.13 - Step 6: Final answer
x = 1,231,275.31
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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.