Finding the Fourth Proportional to 1,682,357.39, 2,321,662.63 and 957,205.09
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Solution
The fourth proportional to 1,682,357.39, 2,321,662.63 and 957,205.09 is: 1,320,948.39
Step by Step Solution
- Step 1: Write the proportion equation
1,682,357.39 : 2,321,662.63 = 957,205.09 : x - Step 2: Convert to fraction form
1,682,357.39/2,321,662.63 = 957,205.09/x - Step 3: Cross multiply
1,682,357.39x = 2,321,662.63 × 957,205.09 - Step 4: Simplify right side
1,682,357.39x = 2,222,307,278,501.62 - Step 5: Solve for x
x = 2,222,307,278,501.62/1,682,357.39 - Step 6: Final answer
x = 1,320,948.39
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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.