Finding the Fourth Proportional to 2,246,728.32, 3,100,533.12 and 1,228,227.84
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Solution
The fourth proportional to 2,246,728.32, 3,100,533.12 and 1,228,227.84 is: 1,694,980.68
Step by Step Solution
- Step 1: Write the proportion equation
2,246,728.32 : 3,100,533.12 = 1,228,227.84 : x - Step 2: Convert to fraction form
2,246,728.32/3,100,533.12 = 1,228,227.84/x - Step 3: Cross multiply
2,246,728.32x = 3,100,533.12 × 1,228,227.84 - Step 4: Simplify right side
2,246,728.32x = 3,808,161,096,826.06 - Step 5: Solve for x
x = 3,808,161,096,826.06/2,246,728.32 - Step 6: Final answer
x = 1,694,980.68
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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.