Finding the Fourth Proportional to 1,770,578.20, 2,651,930.70 and 1,369,919.80
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Solution
The fourth proportional to 1,770,578.20, 2,651,930.70 and 1,369,919.80 is: 2,051,833.90
Step by Step Solution
- Step 1: Write the proportion equation
1,770,578.20 : 2,651,930.70 = 1,369,919.80 : x - Step 2: Convert to fraction form
1,770,578.20/2,651,930.70 = 1,369,919.80/x - Step 3: Cross multiply
1,770,578.20x = 2,651,930.70 × 1,369,919.80 - Step 4: Simplify right side
1,770,578.20x = 3,632,932,374,157.86 - Step 5: Solve for x
x = 3,632,932,374,157.86/1,770,578.20 - Step 6: Final answer
x = 2,051,833.90
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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.