Finding the Fourth Proportional to 1,770,531.20, 2,651,860.20 and 1,369,872.80
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Solution
The fourth proportional to 1,770,531.20, 2,651,860.20 and 1,369,872.80 is: 2,051,763.42
Step by Step Solution
- Step 1: Write the proportion equation
1,770,531.20 : 2,651,860.20 = 1,369,872.80 : x - Step 2: Convert to fraction form
1,770,531.20/2,651,860.20 = 1,369,872.80/x - Step 3: Cross multiply
1,770,531.20x = 2,651,860.20 × 1,369,872.80 - Step 4: Simplify right side
1,770,531.20x = 3,632,711,157,382.56 - Step 5: Solve for x
x = 3,632,711,157,382.56/1,770,531.20 - Step 6: Final answer
x = 2,051,763.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.