Finding the Fourth Proportional to 3,721,408.40, 5,136,098.97 and 2,271,944.07
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Solution
The fourth proportional to 3,721,408.40, 5,136,098.97 and 2,271,944.07 is: 3,135,621.88
Step by Step Solution
- Step 1: Write the proportion equation
3,721,408.40 : 5,136,098.97 = 2,271,944.07 : x - Step 2: Convert to fraction form
3,721,408.40/5,136,098.97 = 2,271,944.07/x - Step 3: Cross multiply
3,721,408.40x = 5,136,098.97 × 2,271,944.07 - Step 4: Simplify right side
3,721,408.40x = 11,668,929,597,824.61 - Step 5: Solve for x
x = 11,668,929,597,824.61/3,721,408.40 - Step 6: Final answer
x = 3,135,621.88
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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.