Finding the Fourth Proportional to 4,985,040.28, 7,477,560.42 and 1,198,523.20
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Solution
The fourth proportional to 4,985,040.28, 7,477,560.42 and 1,198,523.20 is: 1,797,784.80
Step by Step Solution
- Step 1: Write the proportion equation
4,985,040.28 : 7,477,560.42 = 1,198,523.20 : x - Step 2: Convert to fraction form
4,985,040.28/7,477,560.42 = 1,198,523.20/x - Step 3: Cross multiply
4,985,040.28x = 7,477,560.42 × 1,198,523.20 - Step 4: Simplify right side
4,985,040.28x = 8,962,029,642,771.74 - Step 5: Solve for x
x = 8,962,029,642,771.74/4,985,040.28 - Step 6: Final answer
x = 1,797,784.80
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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.