Finding the Fourth Proportional to 5,214,729.38, 7,825,564.82 and 2,143,239.08
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Solution
The fourth proportional to 5,214,729.38, 7,825,564.82 and 2,143,239.08 is: 3,216,285.09
Step by Step Solution
- Step 1: Write the proportion equation
5,214,729.38 : 7,825,564.82 = 2,143,239.08 : x - Step 2: Convert to fraction form
5,214,729.38/7,825,564.82 = 2,143,239.08/x - Step 3: Cross multiply
5,214,729.38x = 7,825,564.82 × 2,143,239.08 - Step 4: Simplify right side
5,214,729.38x = 16,772,056,311,527.44 - Step 5: Solve for x
x = 16,772,056,311,527.44/5,214,729.38 - Step 6: Final answer
x = 3,216,285.09
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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.