Finding the Fourth Proportional to 4,080,644.20, 6,120,966.30 and 1,240,751.80
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Solution
The fourth proportional to 4,080,644.20, 6,120,966.30 and 1,240,751.80 is: 1,861,127.70
Step by Step Solution
- Step 1: Write the proportion equation
4,080,644.20 : 6,120,966.30 = 1,240,751.80 : x - Step 2: Convert to fraction form
4,080,644.20/6,120,966.30 = 1,240,751.80/x - Step 3: Cross multiply
4,080,644.20x = 6,120,966.30 × 1,240,751.80 - Step 4: Simplify right side
4,080,644.20x = 7,594,599,954,464.34 - Step 5: Solve for x
x = 7,594,599,954,464.34/4,080,644.20 - Step 6: Final answer
x = 1,861,127.70
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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.