Finding the Fourth Proportional to 2,675,163.77, 3,691,679.45 and 1,628,206.55
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Solution
The fourth proportional to 2,675,163.77, 3,691,679.45 and 1,628,206.55 is: 2,246,896.70
Step by Step Solution
- Step 1: Write the proportion equation
2,675,163.77 : 3,691,679.45 = 1,628,206.55 : x - Step 2: Convert to fraction form
2,675,163.77/3,691,679.45 = 1,628,206.55/x - Step 3: Cross multiply
2,675,163.77x = 3,691,679.45 × 1,628,206.55 - Step 4: Simplify right side
2,675,163.77x = 6,010,816,634,390.97 - Step 5: Solve for x
x = 6,010,816,634,390.97/2,675,163.77 - Step 6: Final answer
x = 2,246,896.70
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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.