Finding the Fourth Proportional to 2,984,556.20, 4,115,761.61 and 1,894,936.10
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Solution
The fourth proportional to 2,984,556.20, 4,115,761.61 and 1,894,936.10 is: 2,613,154.09
Step by Step Solution
- Step 1: Write the proportion equation
2,984,556.20 : 4,115,761.61 = 1,894,936.10 : x - Step 2: Convert to fraction form
2,984,556.20/4,115,761.61 = 1,894,936.10/x - Step 3: Cross multiply
2,984,556.20x = 4,115,761.61 × 1,894,936.10 - Step 4: Simplify right side
2,984,556.20x = 7,799,105,223,729.63 - Step 5: Solve for x
x = 7,799,105,223,729.63/2,984,556.20 - Step 6: Final answer
x = 2,613,154.09
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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.