Finding the Fourth Proportional to 1,805,733.32, 2,491,896.08 and 989,922.17
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Solution
The fourth proportional to 1,805,733.32, 2,491,896.08 and 989,922.17 is: 1,366,083.88
Step by Step Solution
- Step 1: Write the proportion equation
1,805,733.32 : 2,491,896.08 = 989,922.17 : x - Step 2: Convert to fraction form
1,805,733.32/2,491,896.08 = 989,922.17/x - Step 3: Cross multiply
1,805,733.32x = 2,491,896.08 × 989,922.17 - Step 4: Simplify right side
1,805,733.32x = 2,466,783,174,928.09 - Step 5: Solve for x
x = 2,466,783,174,928.09/1,805,733.32 - Step 6: Final answer
x = 1,366,083.88
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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.