Finding the Fourth Proportional to 2,126,272.44, 2,934,149.67 and 1,208,380.35
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Solution
The fourth proportional to 2,126,272.44, 2,934,149.67 and 1,208,380.35 is: 1,667,504.47
Step by Step Solution
- Step 1: Write the proportion equation
2,126,272.44 : 2,934,149.67 = 1,208,380.35 : x - Step 2: Convert to fraction form
2,126,272.44/2,934,149.67 = 1,208,380.35/x - Step 3: Cross multiply
2,126,272.44x = 2,934,149.67 × 1,208,380.35 - Step 4: Simplify right side
2,126,272.44x = 3,545,568,805,186.99 - Step 5: Solve for x
x = 3,545,568,805,186.99/2,126,272.44 - Step 6: Final answer
x = 1,667,504.47
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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.