Finding the Fourth Proportional to 4,039,745.98, 5,575,122.63 and 2,321,551.42
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Solution
The fourth proportional to 4,039,745.98, 5,575,122.63 and 2,321,551.42 is: 3,203,897.95
Step by Step Solution
- Step 1: Write the proportion equation
4,039,745.98 : 5,575,122.63 = 2,321,551.42 : x - Step 2: Convert to fraction form
4,039,745.98/5,575,122.63 = 2,321,551.42/x - Step 3: Cross multiply
4,039,745.98x = 5,575,122.63 × 2,321,551.42 - Step 4: Simplify right side
4,039,745.98x = 12,942,933,858,350.63 - Step 5: Solve for x
x = 12,942,933,858,350.63/4,039,745.98 - Step 6: Final answer
x = 3,203,897.95
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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.