Finding the Fourth Proportional to 5,647,205.39, 8,472,136.61 and 1,860,688.13
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Solution
The fourth proportional to 5,647,205.39, 8,472,136.61 and 1,860,688.13 is: 2,791,469.92
Step by Step Solution
- Step 1: Write the proportion equation
5,647,205.39 : 8,472,136.61 = 1,860,688.13 : x - Step 2: Convert to fraction form
5,647,205.39/8,472,136.61 = 1,860,688.13/x - Step 3: Cross multiply
5,647,205.39x = 8,472,136.61 × 1,860,688.13 - Step 4: Simplify right side
5,647,205.39x = 15,764,003,988,256.48 - Step 5: Solve for x
x = 15,764,003,988,256.48/5,647,205.39 - Step 6: Final answer
x = 2,791,469.92
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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.