Finding the Fourth Proportional to 5,589,104.80, 8,383,657.20 and 5,431,640.80
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Solution
The fourth proportional to 5,589,104.80, 8,383,657.20 and 5,431,640.80 is: 8,147,461.20
Step by Step Solution
- Step 1: Write the proportion equation
5,589,104.80 : 8,383,657.20 = 5,431,640.80 : x - Step 2: Convert to fraction form
5,589,104.80/8,383,657.20 = 5,431,640.80/x - Step 3: Cross multiply
5,589,104.80x = 8,383,657.20 × 5,431,640.80 - Step 4: Simplify right side
5,589,104.80x = 45,537,014,500,733.76 - Step 5: Solve for x
x = 45,537,014,500,733.76/5,589,104.80 - Step 6: Final answer
x = 8,147,461.20
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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.