Finding the Fourth Proportional to 1,805,716.64, 2,491,888.61 and 989,926.10
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Solution
The fourth proportional to 1,805,716.64, 2,491,888.61 and 989,926.10 is: 1,366,097.82
Step by Step Solution
- Step 1: Write the proportion equation
1,805,716.64 : 2,491,888.61 = 989,926.10 : x - Step 2: Convert to fraction form
1,805,716.64/2,491,888.61 = 989,926.10/x - Step 3: Cross multiply
1,805,716.64x = 2,491,888.61 × 989,926.10 - Step 4: Simplify right side
1,805,716.64x = 2,466,785,555,922.65 - Step 5: Solve for x
x = 2,466,785,555,922.65/1,805,716.64 - Step 6: Final answer
x = 1,366,097.82
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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.