Finding the Fourth Proportional to 2,317,786.07, 3,198,154.97 and 1,544,571.23
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Solution
The fourth proportional to 2,317,786.07, 3,198,154.97 and 1,544,571.23 is: 2,131,248.53
Step by Step Solution
- Step 1: Write the proportion equation
2,317,786.07 : 3,198,154.97 = 1,544,571.23 : x - Step 2: Convert to fraction form
2,317,786.07/3,198,154.97 = 1,544,571.23/x - Step 3: Cross multiply
2,317,786.07x = 3,198,154.97 × 1,544,571.23 - Step 4: Simplify right side
2,317,786.07x = 4,939,778,157,259.68 - Step 5: Solve for x
x = 4,939,778,157,259.68/2,317,786.07 - Step 6: Final answer
x = 2,131,248.53
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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.