Finding the Fourth Proportional to 5,112,650.94, 7,672,942.17 and 1,920,680.70
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Solution
The fourth proportional to 5,112,650.94, 7,672,942.17 and 1,920,680.70 is: 2,882,510.88
Step by Step Solution
- Step 1: Write the proportion equation
5,112,650.94 : 7,672,942.17 = 1,920,680.70 : x - Step 2: Convert to fraction form
5,112,650.94/7,672,942.17 = 1,920,680.70/x - Step 3: Cross multiply
5,112,650.94x = 7,672,942.17 × 1,920,680.70 - Step 4: Simplify right side
5,112,650.94x = 14,737,271,938,135.12 - Step 5: Solve for x
x = 14,737,271,938,135.12/5,112,650.94 - Step 6: Final answer
x = 2,882,510.88
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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.