Finding the Fourth Proportional to 3,080,520.70, 4,611,923.70 and 2,991,947.20
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Solution
The fourth proportional to 3,080,520.70, 4,611,923.70 and 2,991,947.20 is: 4,479,318.12
Step by Step Solution
- Step 1: Write the proportion equation
3,080,520.70 : 4,611,923.70 = 2,991,947.20 : x - Step 2: Convert to fraction form
3,080,520.70/4,611,923.70 = 2,991,947.20/x - Step 3: Cross multiply
3,080,520.70x = 4,611,923.70 × 2,991,947.20 - Step 4: Simplify right side
3,080,520.70x = 13,798,632,200,828.64 - Step 5: Solve for x
x = 13,798,632,200,828.64/3,080,520.70 - Step 6: Final answer
x = 4,479,318.12
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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.