Finding the Fourth Proportional to 5,414,446.08, 7,471,936.80 and 3,239,079.84
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Solution
The fourth proportional to 5,414,446.08, 7,471,936.80 and 3,239,079.84 is: 4,469,930.90
Step by Step Solution
- Step 1: Write the proportion equation
5,414,446.08 : 7,471,936.80 = 3,239,079.84 : x - Step 2: Convert to fraction form
5,414,446.08/7,471,936.80 = 3,239,079.84/x - Step 3: Cross multiply
5,414,446.08x = 7,471,936.80 × 3,239,079.84 - Step 4: Simplify right side
5,414,446.08x = 24,202,199,854,634.11 - Step 5: Solve for x
x = 24,202,199,854,634.11/5,414,446.08 - Step 6: Final answer
x = 4,469,930.90
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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.