Finding the Fourth Proportional to 3,783,658.42, 5,677,480.53 and 2,187,342.62
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Solution
The fourth proportional to 3,783,658.42, 5,677,480.53 and 2,187,342.62 is: 3,282,166.03
Step by Step Solution
- Step 1: Write the proportion equation
3,783,658.42 : 5,677,480.53 = 2,187,342.62 : x - Step 2: Convert to fraction form
3,783,658.42/5,677,480.53 = 2,187,342.62/x - Step 3: Cross multiply
3,783,658.42x = 5,677,480.53 × 2,187,342.62 - Step 4: Simplify right side
3,783,658.42x = 12,418,595,137,489.19 - Step 5: Solve for x
x = 12,418,595,137,489.19/3,783,658.42 - Step 6: Final answer
x = 3,282,166.03
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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.