Finding the Fourth Proportional to 4,972,112.30, 6,861,585.84 and 2,934,921.80
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Solution
The fourth proportional to 4,972,112.30, 6,861,585.84 and 2,934,921.80 is: 4,050,233.91
Step by Step Solution
- Step 1: Write the proportion equation
4,972,112.30 : 6,861,585.84 = 2,934,921.80 : x - Step 2: Convert to fraction form
4,972,112.30/6,861,585.84 = 2,934,921.80/x - Step 3: Cross multiply
4,972,112.30x = 6,861,585.84 × 2,934,921.80 - Step 4: Simplify right side
4,972,112.30x = 20,138,217,870,535.32 - Step 5: Solve for x
x = 20,138,217,870,535.32/4,972,112.30 - Step 6: Final answer
x = 4,050,233.91
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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.