Finding the Fourth Proportional to 3,672,912.90, 5,509,369.35 and 2,777,117.70
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Solution
The fourth proportional to 3,672,912.90, 5,509,369.35 and 2,777,117.70 is: 4,165,676.55
Step by Step Solution
- Step 1: Write the proportion equation
3,672,912.90 : 5,509,369.35 = 2,777,117.70 : x - Step 2: Convert to fraction form
3,672,912.90/5,509,369.35 = 2,777,117.70/x - Step 3: Cross multiply
3,672,912.90x = 5,509,369.35 × 2,777,117.70 - Step 4: Simplify right side
3,672,912.90x = 15,300,167,137,722.49 - Step 5: Solve for x
x = 15,300,167,137,722.49/3,672,912.90 - Step 6: Final answer
x = 4,165,676.55
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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.