Finding the Fourth Proportional to 2,626,400.34, 3,626,119.04 and 1,647,680.99
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Solution
The fourth proportional to 2,626,400.34, 3,626,119.04 and 1,647,680.99 is: 2,274,857.83
Step by Step Solution
- Step 1: Write the proportion equation
2,626,400.34 : 3,626,119.04 = 1,647,680.99 : x - Step 2: Convert to fraction form
2,626,400.34/3,626,119.04 = 1,647,680.99/x - Step 3: Cross multiply
2,626,400.34x = 3,626,119.04 × 1,647,680.99 - Step 4: Simplify right side
2,626,400.34x = 5,974,687,383,316.05 - Step 5: Solve for x
x = 5,974,687,383,316.05/2,626,400.34 - Step 6: Final answer
x = 2,274,857.83
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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.