Finding the Fourth Proportional to 1,804,915.44, 2,491,915.84 and 1,161,453.84
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Solution
The fourth proportional to 1,804,915.44, 2,491,915.84 and 1,161,453.84 is: 1,603,535.08
Step by Step Solution
- Step 1: Write the proportion equation
1,804,915.44 : 2,491,915.84 = 1,161,453.84 : x - Step 2: Convert to fraction form
1,804,915.44/2,491,915.84 = 1,161,453.84/x - Step 3: Cross multiply
1,804,915.44x = 2,491,915.84 × 1,161,453.84 - Step 4: Simplify right side
1,804,915.44x = 2,894,245,221,324.83 - Step 5: Solve for x
x = 2,894,245,221,324.83/1,804,915.44 - Step 6: Final answer
x = 1,603,535.08
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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.