Finding the Fourth Proportional to 1,542,593.84, 2,128,902.36 and 1,136,550.56
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Solution
The fourth proportional to 1,542,593.84, 2,128,902.36 and 1,136,550.56 is: 1,568,530.29
Step by Step Solution
- Step 1: Write the proportion equation
1,542,593.84 : 2,128,902.36 = 1,136,550.56 : x - Step 2: Convert to fraction form
1,542,593.84/2,128,902.36 = 1,136,550.56/x - Step 3: Cross multiply
1,542,593.84x = 2,128,902.36 × 1,136,550.56 - Step 4: Simplify right side
1,542,593.84x = 2,419,605,169,443.32 - Step 5: Solve for x
x = 2,419,605,169,443.32/1,542,593.84 - Step 6: Final answer
x = 1,568,530.29
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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.