Finding the Fourth Proportional to 3,146,903.87, 4,342,601.36 and 1,770,274.85
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Solution
The fourth proportional to 3,146,903.87, 4,342,601.36 and 1,770,274.85 is: 2,442,908.42
Step by Step Solution
- Step 1: Write the proportion equation
3,146,903.87 : 4,342,601.36 = 1,770,274.85 : x - Step 2: Convert to fraction form
3,146,903.87/4,342,601.36 = 1,770,274.85/x - Step 3: Cross multiply
3,146,903.87x = 4,342,601.36 × 1,770,274.85 - Step 4: Simplify right side
3,146,903.87x = 7,687,597,953,896.48 - Step 5: Solve for x
x = 7,687,597,953,896.48/3,146,903.87 - Step 6: Final answer
x = 2,442,908.42
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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.