Finding the Fourth Proportional to 4,589,801.20, 6,883,780.20 and 2,193,641.20
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Solution
The fourth proportional to 4,589,801.20, 6,883,780.20 and 2,193,641.20 is: 3,290,021.33
Step by Step Solution
- Step 1: Write the proportion equation
4,589,801.20 : 6,883,780.20 = 2,193,641.20 : x - Step 2: Convert to fraction form
4,589,801.20/6,883,780.20 = 2,193,641.20/x - Step 3: Cross multiply
4,589,801.20x = 6,883,780.20 × 2,193,641.20 - Step 4: Simplify right side
4,589,801.20x = 15,100,543,858,464.24 - Step 5: Solve for x
x = 15,100,543,858,464.24/4,589,801.20 - Step 6: Final answer
x = 3,290,021.33
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1.5x scale
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.