Finding the Fourth Proportional to 5,244,490.80, 7,861,206.60 and 2,995,786.80
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Solution
The fourth proportional to 5,244,490.80, 7,861,206.60 and 2,995,786.80 is: 4,490,521.55
Step by Step Solution
- Step 1: Write the proportion equation
5,244,490.80 : 7,861,206.60 = 2,995,786.80 : x - Step 2: Convert to fraction form
5,244,490.80/7,861,206.60 = 2,995,786.80/x - Step 3: Cross multiply
5,244,490.80x = 7,861,206.60 × 2,995,786.80 - Step 4: Simplify right side
5,244,490.80x = 23,550,498,964,352.88 - Step 5: Solve for x
x = 23,550,498,964,352.88/5,244,490.80 - Step 6: Final answer
x = 4,490,521.55
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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.