Finding the Fourth Proportional to 2,208,839.70, 3,313,259.55 and 1,198,445.70
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Solution
The fourth proportional to 2,208,839.70, 3,313,259.55 and 1,198,445.70 is: 1,797,668.55
Step by Step Solution
- Step 1: Write the proportion equation
2,208,839.70 : 3,313,259.55 = 1,198,445.70 : x - Step 2: Convert to fraction form
2,208,839.70/3,313,259.55 = 1,198,445.70/x - Step 3: Cross multiply
2,208,839.70x = 3,313,259.55 × 1,198,445.70 - Step 4: Simplify right side
2,208,839.70x = 3,970,761,660,681.43 - Step 5: Solve for x
x = 3,970,761,660,681.43/2,208,839.70 - Step 6: Final answer
x = 1,797,668.55
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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.