Finding the Fourth Proportional to 3,258,169.20, 4,889,586.60 and 1,366,268.40
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Solution
The fourth proportional to 3,258,169.20, 4,889,586.60 and 1,366,268.40 is: 2,050,380.83
Step by Step Solution
- Step 1: Write the proportion equation
3,258,169.20 : 4,889,586.60 = 1,366,268.40 : x - Step 2: Convert to fraction form
3,258,169.20/4,889,586.60 = 1,366,268.40/x - Step 3: Cross multiply
3,258,169.20x = 4,889,586.60 × 1,366,268.40 - Step 4: Simplify right side
3,258,169.20x = 6,680,487,660,643.44 - Step 5: Solve for x
x = 6,680,487,660,643.44/3,258,169.20 - Step 6: Final answer
x = 2,050,380.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.