Finding the Fourth Proportional to 1,682,354.10, 2,321,658.10 and 957,201.81
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Solution
The fourth proportional to 1,682,354.10, 2,321,658.10 and 957,201.81 is: 1,320,943.86
Step by Step Solution
- Step 1: Write the proportion equation
1,682,354.10 : 2,321,658.10 = 957,201.81 : x - Step 2: Convert to fraction form
1,682,354.10/2,321,658.10 = 957,201.81/x - Step 3: Cross multiply
1,682,354.10x = 2,321,658.10 × 957,201.81 - Step 4: Simplify right side
1,682,354.10x = 2,222,295,322,627.19 - Step 5: Solve for x
x = 2,222,295,322,627.19/1,682,354.10 - Step 6: Final answer
x = 1,320,943.86
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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.