Finding the Fourth Proportional to 2,138,537.22, 3,205,796.55 and 717,596.82
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Solution
The fourth proportional to 2,138,537.22, 3,205,796.55 and 717,596.82 is: 1,075,721.01
Step by Step Solution
- Step 1: Write the proportion equation
2,138,537.22 : 3,205,796.55 = 717,596.82 : x - Step 2: Convert to fraction form
2,138,537.22/3,205,796.55 = 717,596.82/x - Step 3: Cross multiply
2,138,537.22x = 3,205,796.55 × 717,596.82 - Step 4: Simplify right side
2,138,537.22x = 2,300,469,409,846.97 - Step 5: Solve for x
x = 2,300,469,409,846.97/2,138,537.22 - Step 6: Final answer
x = 1,075,721.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.