Finding the Fourth Proportional to 5,777,305.92, 7,972,584.74 and 3,198,931.34
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Solution
The fourth proportional to 5,777,305.92, 7,972,584.74 and 3,198,931.34 is: 4,414,471.29
Step by Step Solution
- Step 1: Write the proportion equation
5,777,305.92 : 7,972,584.74 = 3,198,931.34 : x - Step 2: Convert to fraction form
5,777,305.92/7,972,584.74 = 3,198,931.34/x - Step 3: Cross multiply
5,777,305.92x = 7,972,584.74 × 3,198,931.34 - Step 4: Simplify right side
5,777,305.92x = 25,503,751,141,730.16 - Step 5: Solve for x
x = 25,503,751,141,730.16/5,777,305.92 - Step 6: Final answer
x = 4,414,471.29
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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.