Finding the Fourth Proportional to 1,805,744.70, 2,491,873.68 and 989,920.48
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Solution
The fourth proportional to 1,805,744.70, 2,491,873.68 and 989,920.48 is: 1,366,060.66
Step by Step Solution
- Step 1: Write the proportion equation
1,805,744.70 : 2,491,873.68 = 989,920.48 : x - Step 2: Convert to fraction form
1,805,744.70/2,491,873.68 = 989,920.48/x - Step 3: Cross multiply
1,805,744.70x = 2,491,873.68 × 989,920.48 - Step 4: Simplify right side
1,805,744.70x = 2,466,756,789,404.97 - Step 5: Solve for x
x = 2,466,756,789,404.97/1,805,744.70 - Step 6: Final answer
x = 1,366,060.66
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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.