Finding the Fourth Proportional to 5,638,821.80, 8,458,232.70 and 2,804,469.80
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Solution
The fourth proportional to 5,638,821.80, 8,458,232.70 and 2,804,469.80 is: 4,206,704.70
Step by Step Solution
- Step 1: Write the proportion equation
5,638,821.80 : 8,458,232.70 = 2,804,469.80 : x - Step 2: Convert to fraction form
5,638,821.80/8,458,232.70 = 2,804,469.80/x - Step 3: Cross multiply
5,638,821.80x = 8,458,232.70 × 2,804,469.80 - Step 4: Simplify right side
5,638,821.80x = 23,720,858,168,522.46 - Step 5: Solve for x
x = 23,720,858,168,522.46/5,638,821.80 - Step 6: Final answer
x = 4,206,704.70
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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.