Finding the Fourth Proportional to 5,432,912.10, 8,146,415.70 and 2,238,361.20
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Solution
The fourth proportional to 5,432,912.10, 8,146,415.70 and 2,238,361.20 is: 3,356,325.39
Step by Step Solution
- Step 1: Write the proportion equation
5,432,912.10 : 8,146,415.70 = 2,238,361.20 : x - Step 2: Convert to fraction form
5,432,912.10/8,146,415.70 = 2,238,361.20/x - Step 3: Cross multiply
5,432,912.10x = 8,146,415.70 × 2,238,361.20 - Step 4: Simplify right side
5,432,912.10x = 18,234,620,821,950.84 - Step 5: Solve for x
x = 18,234,620,821,950.84/5,432,912.10 - Step 6: Final answer
x = 3,356,325.39
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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.