Finding the Fourth Proportional to 1,505,350.26, 2,079,107.53 and 991,401.70
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Solution
The fourth proportional to 1,505,350.26, 2,079,107.53 and 991,401.70 is: 1,369,269.86
Step by Step Solution
- Step 1: Write the proportion equation
1,505,350.26 : 2,079,107.53 = 991,401.70 : x - Step 2: Convert to fraction form
1,505,350.26/2,079,107.53 = 991,401.70/x - Step 3: Cross multiply
1,505,350.26x = 2,079,107.53 × 991,401.70 - Step 4: Simplify right side
1,505,350.26x = 2,061,230,739,724.80 - Step 5: Solve for x
x = 2,061,230,739,724.80/1,505,350.26 - Step 6: Final answer
x = 1,369,269.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.