Finding the Fourth Proportional to 2,894,609.97, 3,991,947.84 and 1,806,982.47
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Solution
The fourth proportional to 2,894,609.97, 3,991,947.84 and 1,806,982.47 is: 2,492,004.05
Step by Step Solution
- Step 1: Write the proportion equation
2,894,609.97 : 3,991,947.84 = 1,806,982.47 : x - Step 2: Convert to fraction form
2,894,609.97/3,991,947.84 = 1,806,982.47/x - Step 3: Cross multiply
2,894,609.97x = 3,991,947.84 × 1,806,982.47 - Step 4: Simplify right side
2,894,609.97x = 7,213,379,768,034.36 - Step 5: Solve for x
x = 7,213,379,768,034.36/2,894,609.97 - Step 6: Final answer
x = 2,492,004.05
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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.