Finding the Fourth Proportional to 4,011,716.70, 5,534,822.61 and 2,291,619.33
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Solution
The fourth proportional to 4,011,716.70, 5,534,822.61 and 2,291,619.33 is: 3,161,665.55
Step by Step Solution
- Step 1: Write the proportion equation
4,011,716.70 : 5,534,822.61 = 2,291,619.33 : x - Step 2: Convert to fraction form
4,011,716.70/5,534,822.61 = 2,291,619.33/x - Step 3: Cross multiply
4,011,716.70x = 5,534,822.61 × 2,291,619.33 - Step 4: Simplify right side
4,011,716.70x = 12,683,706,481,197.05 - Step 5: Solve for x
x = 12,683,706,481,197.05/4,011,716.70 - Step 6: Final answer
x = 3,161,665.55
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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.