Finding the Fourth Proportional to 3,068,620.24, 4,236,198.60 and 2,378,768.08
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Solution
The fourth proportional to 3,068,620.24, 4,236,198.60 and 2,378,768.08 is: 3,283,864.81
Step by Step Solution
- Step 1: Write the proportion equation
3,068,620.24 : 4,236,198.60 = 2,378,768.08 : x - Step 2: Convert to fraction form
3,068,620.24/4,236,198.60 = 2,378,768.08/x - Step 3: Cross multiply
3,068,620.24x = 4,236,198.60 × 2,378,768.08 - Step 4: Simplify right side
3,068,620.24x = 10,076,934,010,220.69 - Step 5: Solve for x
x = 10,076,934,010,220.69/3,068,620.24 - Step 6: Final answer
x = 3,283,864.81
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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.