Finding the Fourth Proportional to 3,421,797.52, 4,722,579.24 and 1,971,213.88
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Solution
The fourth proportional to 3,421,797.52, 4,722,579.24 and 1,971,213.88 is: 2,720,562.42
Step by Step Solution
- Step 1: Write the proportion equation
3,421,797.52 : 4,722,579.24 = 1,971,213.88 : x - Step 2: Convert to fraction form
3,421,797.52/4,722,579.24 = 1,971,213.88/x - Step 3: Cross multiply
3,421,797.52x = 4,722,579.24 × 1,971,213.88 - Step 4: Simplify right side
3,421,797.52x = 9,309,213,747,287.85 - Step 5: Solve for x
x = 9,309,213,747,287.85/3,421,797.52 - Step 6: Final answer
x = 2,720,562.42
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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.