Finding the Fourth Proportional to 3,438,881.20, 4,744,183.80 and 2,147,479.84
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Solution
The fourth proportional to 3,438,881.20, 4,744,183.80 and 2,147,479.84 is: 2,962,602.80
Step by Step Solution
- Step 1: Write the proportion equation
3,438,881.20 : 4,744,183.80 = 2,147,479.84 : x - Step 2: Convert to fraction form
3,438,881.20/4,744,183.80 = 2,147,479.84/x - Step 3: Cross multiply
3,438,881.20x = 4,744,183.80 × 2,147,479.84 - Step 4: Simplify right side
3,438,881.20x = 10,188,039,067,754.59 - Step 5: Solve for x
x = 10,188,039,067,754.59/3,438,881.20 - Step 6: Final answer
x = 2,962,602.80
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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.