Finding the Fourth Proportional to 5,548,390.20, 8,322,815.70 and 1,761,766.20
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Solution
The fourth proportional to 5,548,390.20, 8,322,815.70 and 1,761,766.20 is: 2,642,722.46
Step by Step Solution
- Step 1: Write the proportion equation
5,548,390.20 : 8,322,815.70 = 1,761,766.20 : x - Step 2: Convert to fraction form
5,548,390.20/8,322,815.70 = 1,761,766.20/x - Step 3: Cross multiply
5,548,390.20x = 8,322,815.70 × 1,761,766.20 - Step 4: Simplify right side
5,548,390.20x = 14,662,855,389,089.34 - Step 5: Solve for x
x = 14,662,855,389,089.34/5,548,390.20 - Step 6: Final answer
x = 2,642,722.46
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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.