Finding the Fourth Proportional to 1,805,357.97, 2,691,896.58 and 1,755,756.81
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Solution
The fourth proportional to 1,805,357.97, 2,691,896.58 and 1,755,756.81 is: 2,617,938.29
Step by Step Solution
- Step 1: Write the proportion equation
1,805,357.97 : 2,691,896.58 = 1,755,756.81 : x - Step 2: Convert to fraction form
1,805,357.97/2,691,896.58 = 1,755,756.81/x - Step 3: Cross multiply
1,805,357.97x = 2,691,896.58 × 1,755,756.81 - Step 4: Simplify right side
1,805,357.97x = 4,726,315,752,150.71 - Step 5: Solve for x
x = 4,726,315,752,150.71/1,805,357.97 - Step 6: Final answer
x = 2,617,938.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.