Finding the Fourth Proportional to 4,579,434.20, 6,869,928.90 and 2,448,939.80
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Solution
The fourth proportional to 4,579,434.20, 6,869,928.90 and 2,448,939.80 is: 3,673,825.54
Step by Step Solution
- Step 1: Write the proportion equation
4,579,434.20 : 6,869,928.90 = 2,448,939.80 : x - Step 2: Convert to fraction form
4,579,434.20/6,869,928.90 = 2,448,939.80/x - Step 3: Cross multiply
4,579,434.20x = 6,869,928.90 × 2,448,939.80 - Step 4: Simplify right side
4,579,434.20x = 16,824,042,306,380.22 - Step 5: Solve for x
x = 16,824,042,306,380.22/4,579,434.20 - Step 6: Final answer
x = 3,673,825.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.