Finding the Fourth Proportional to 5,598,625.20, 8,397,937.80 and 2,403,207.60
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Solution
The fourth proportional to 5,598,625.20, 8,397,937.80 and 2,403,207.60 is: 3,604,811.40
Step by Step Solution
- Step 1: Write the proportion equation
5,598,625.20 : 8,397,937.80 = 2,403,207.60 : x - Step 2: Convert to fraction form
5,598,625.20/8,397,937.80 = 2,403,207.60/x - Step 3: Cross multiply
5,598,625.20x = 8,397,937.80 × 2,403,207.60 - Step 4: Simplify right side
5,598,625.20x = 20,181,987,945,287.28 - Step 5: Solve for x
x = 20,181,987,945,287.28/5,598,625.20 - Step 6: Final answer
x = 3,604,811.40
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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.