Finding the Fourth Proportional to 1,801,759.36, 2,486,428.11 and 985,963.21
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Solution
The fourth proportional to 1,801,759.36, 2,486,428.11 and 985,963.21 is: 1,360,629.34
Step by Step Solution
- Step 1: Write the proportion equation
1,801,759.36 : 2,486,428.11 = 985,963.21 : x - Step 2: Convert to fraction form
1,801,759.36/2,486,428.11 = 985,963.21/x - Step 3: Cross multiply
1,801,759.36x = 2,486,428.11 × 985,963.21 - Step 4: Simplify right side
1,801,759.36x = 2,451,526,640,769.83 - Step 5: Solve for x
x = 2,451,526,640,769.83/1,801,759.36 - Step 6: Final answer
x = 1,360,629.34
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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.