Finding the Fourth Proportional to 2,332,219.76, 3,218,481.24 and 1,313,529.20
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Solution
The fourth proportional to 2,332,219.76, 3,218,481.24 and 1,313,529.20 is: 1,812,680.42
Step by Step Solution
- Step 1: Write the proportion equation
2,332,219.76 : 3,218,481.24 = 1,313,529.20 : x - Step 2: Convert to fraction form
2,332,219.76/3,218,481.24 = 1,313,529.20/x - Step 3: Cross multiply
2,332,219.76x = 3,218,481.24 × 1,313,529.20 - Step 4: Simplify right side
2,332,219.76x = 4,227,569,088,392.21 - Step 5: Solve for x
x = 4,227,569,088,392.21/2,332,219.76 - Step 6: Final answer
x = 1,812,680.42
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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.