Finding the Fourth Proportional to 1,993,250.62, 2,749,822.99 and 1,218,915.33
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Solution
The fourth proportional to 1,993,250.62, 2,749,822.99 and 1,218,915.33 is: 1,681,575.49
Step by Step Solution
- Step 1: Write the proportion equation
1,993,250.62 : 2,749,822.99 = 1,218,915.33 : x - Step 2: Convert to fraction form
1,993,250.62/2,749,822.99 = 1,218,915.33/x - Step 3: Cross multiply
1,993,250.62x = 2,749,822.99 × 1,218,915.33 - Step 4: Simplify right side
1,993,250.62x = 3,351,801,397,297.44 - Step 5: Solve for x
x = 3,351,801,397,297.44/1,993,250.62 - Step 6: Final answer
x = 1,681,575.49
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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.