Finding the Fourth Proportional to 5,198,755.58, 7,798,880.60 and 1,604,830.23
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Solution
The fourth proportional to 5,198,755.58, 7,798,880.60 and 1,604,830.23 is: 2,407,476.01
Step by Step Solution
- Step 1: Write the proportion equation
5,198,755.58 : 7,798,880.60 = 1,604,830.23 : x - Step 2: Convert to fraction form
5,198,755.58/7,798,880.60 = 1,604,830.23/x - Step 3: Cross multiply
5,198,755.58x = 7,798,880.60 × 1,604,830.23 - Step 4: Simplify right side
5,198,755.58x = 12,515,879,345,034.50 - Step 5: Solve for x
x = 12,515,879,345,034.50/5,198,755.58 - Step 6: Final answer
x = 2,407,476.01
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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.