Finding the Fourth Proportional to 2,375,962.35, 3,278,842.65 and 1,288,224.42
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Solution
The fourth proportional to 2,375,962.35, 3,278,842.65 and 1,288,224.42 is: 1,777,757.62
Step by Step Solution
- Step 1: Write the proportion equation
2,375,962.35 : 3,278,842.65 = 1,288,224.42 : x - Step 2: Convert to fraction form
2,375,962.35/3,278,842.65 = 1,288,224.42/x - Step 3: Cross multiply
2,375,962.35x = 3,278,842.65 × 1,288,224.42 - Step 4: Simplify right side
2,375,962.35x = 4,223,885,171,067.51 - Step 5: Solve for x
x = 4,223,885,171,067.51/2,375,962.35 - Step 6: Final answer
x = 1,777,757.62
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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.