Finding the Fourth Proportional to 1,682,456.68, 2,321,709.24 and 957,236.68
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Solution
The fourth proportional to 1,682,456.68, 2,321,709.24 and 957,236.68 is: 1,320,940.55
Step by Step Solution
- Step 1: Write the proportion equation
1,682,456.68 : 2,321,709.24 = 957,236.68 : x - Step 2: Convert to fraction form
1,682,456.68/2,321,709.24 = 957,236.68/x - Step 3: Cross multiply
1,682,456.68x = 2,321,709.24 × 957,236.68 - Step 4: Simplify right side
1,682,456.68x = 2,222,425,244,822.92 - Step 5: Solve for x
x = 2,222,425,244,822.92/1,682,456.68 - Step 6: Final answer
x = 1,320,940.55
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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.