Finding the Fourth Proportional to 2,080,324.70, 3,120,487.05 and 1,371,736.70
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Solution
The fourth proportional to 2,080,324.70, 3,120,487.05 and 1,371,736.70 is: 2,057,605.05
Step by Step Solution
- Step 1: Write the proportion equation
2,080,324.70 : 3,120,487.05 = 1,371,736.70 : x - Step 2: Convert to fraction form
2,080,324.70/3,120,487.05 = 1,371,736.70/x - Step 3: Cross multiply
2,080,324.70x = 3,120,487.05 × 1,371,736.70 - Step 4: Simplify right side
2,080,324.70x = 4,280,486,608,359.73 - Step 5: Solve for x
x = 4,280,486,608,359.73/2,080,324.70 - Step 6: Final answer
x = 2,057,605.05
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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.