Finding the Fourth Proportional to 3,868,650.38, 5,338,793.01 and 2,126,481.12
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Solution
The fourth proportional to 3,868,650.38, 5,338,793.01 and 2,126,481.12 is: 2,934,574.45
Step by Step Solution
- Step 1: Write the proportion equation
3,868,650.38 : 5,338,793.01 = 2,126,481.12 : x - Step 2: Convert to fraction form
3,868,650.38/5,338,793.01 = 2,126,481.12/x - Step 3: Cross multiply
3,868,650.38x = 5,338,793.01 × 2,126,481.12 - Step 4: Simplify right side
3,868,650.38x = 11,352,842,539,352.97 - Step 5: Solve for x
x = 11,352,842,539,352.97/3,868,650.38 - Step 6: Final answer
x = 2,934,574.45
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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.