Finding the Fourth Proportional to 1,965,745.18, 2,713,565.34 and 1,321,539
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Solution
The fourth proportional to 1,965,745.18, 2,713,565.34 and 1,321,539 is: 1,824,286.52
Step by Step Solution
- Step 1: Write the proportion equation
1,965,745.18 : 2,713,565.34 = 1,321,539 : x - Step 2: Convert to fraction form
1,965,745.18/2,713,565.34 = 1,321,539/x - Step 3: Cross multiply
1,965,745.18x = 2,713,565.34 × 1,321,539 - Step 4: Simplify right side
1,965,745.18x = 3,586,082,425,858.26 - Step 5: Solve for x
x = 3,586,082,425,858.26/1,965,745.18 - Step 6: Final answer
x = 1,824,286.52
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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.