Finding the Fourth Proportional to 4,622,794.75, 6,379,644.77 and 2,557,776.73
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Solution
The fourth proportional to 4,622,794.75, 6,379,644.77 and 2,557,776.73 is: 3,529,835.92
Step by Step Solution
- Step 1: Write the proportion equation
4,622,794.75 : 6,379,644.77 = 2,557,776.73 : x - Step 2: Convert to fraction form
4,622,794.75/6,379,644.77 = 2,557,776.73/x - Step 3: Cross multiply
4,622,794.75x = 6,379,644.77 × 2,557,776.73 - Step 4: Simplify right side
4,622,794.75x = 16,317,706,938,372.20 - Step 5: Solve for x
x = 16,317,706,938,372.20/4,622,794.75 - Step 6: Final answer
x = 3,529,835.92
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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.