Finding the Fourth Proportional to 2,511,902.51, 3,764,363.10 and 1,311,430.19
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Solution
The fourth proportional to 2,511,902.51, 3,764,363.10 and 1,311,430.19 is: 1,965,322.85
Step by Step Solution
- Step 1: Write the proportion equation
2,511,902.51 : 3,764,363.10 = 1,311,430.19 : x - Step 2: Convert to fraction form
2,511,902.51/3,764,363.10 = 1,311,430.19/x - Step 3: Cross multiply
2,511,902.51x = 3,764,363.10 × 1,311,430.19 - Step 4: Simplify right side
2,511,902.51x = 4,936,699,396,640.17 - Step 5: Solve for x
x = 4,936,699,396,640.17/2,511,902.51 - Step 6: Final answer
x = 1,965,322.85
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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.