Finding the Fourth Proportional to 5,614,074.68, 7,747,469.38 and 3,099,530.42
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Solution
The fourth proportional to 5,614,074.68, 7,747,469.38 and 3,099,530.42 is: 4,277,377.55
Step by Step Solution
- Step 1: Write the proportion equation
5,614,074.68 : 7,747,469.38 = 3,099,530.42 : x - Step 2: Convert to fraction form
5,614,074.68/7,747,469.38 = 3,099,530.42/x - Step 3: Cross multiply
5,614,074.68x = 7,747,469.38 × 3,099,530.42 - Step 4: Simplify right side
5,614,074.68x = 24,013,517,021,328.54 - Step 5: Solve for x
x = 24,013,517,021,328.54/5,614,074.68 - Step 6: Final answer
x = 4,277,377.55
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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.