Finding the Fourth Proportional to 4,611,709.66, 6,912,060.92 and 2,146,408.09
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Solution
The fourth proportional to 4,611,709.66, 6,912,060.92 and 2,146,408.09 is: 3,217,050.63
Step by Step Solution
- Step 1: Write the proportion equation
4,611,709.66 : 6,912,060.92 = 2,146,408.09 : x - Step 2: Convert to fraction form
4,611,709.66/6,912,060.92 = 2,146,408.09/x - Step 3: Cross multiply
4,611,709.66x = 6,912,060.92 × 2,146,408.09 - Step 4: Simplify right side
4,611,709.66x = 14,836,103,431,968.50 - Step 5: Solve for x
x = 14,836,103,431,968.50/4,611,709.66 - Step 6: Final answer
x = 3,217,050.63
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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.