Finding the Fourth Proportional to 5,408,369.20, 8,115,349.92 and 2,377,861.12
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Solution
The fourth proportional to 5,408,369.20, 8,115,349.92 and 2,377,861.12 is: 3,568,021.03
Step by Step Solution
- Step 1: Write the proportion equation
5,408,369.20 : 8,115,349.92 = 2,377,861.12 : x - Step 2: Convert to fraction form
5,408,369.20/8,115,349.92 = 2,377,861.12/x - Step 3: Cross multiply
5,408,369.20x = 8,115,349.92 × 2,377,861.12 - Step 4: Simplify right side
5,408,369.20x = 19,297,175,049,963.11 - Step 5: Solve for x
x = 19,297,175,049,963.11/5,408,369.20 - Step 6: Final answer
x = 3,568,021.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.