Finding the Fourth Proportional to 2,081,819.80, 3,122,729.70 and 1,609,427.80
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Solution
The fourth proportional to 2,081,819.80, 3,122,729.70 and 1,609,427.80 is: 2,414,141.70
Step by Step Solution
- Step 1: Write the proportion equation
2,081,819.80 : 3,122,729.70 = 1,609,427.80 : x - Step 2: Convert to fraction form
2,081,819.80/3,122,729.70 = 1,609,427.80/x - Step 3: Cross multiply
2,081,819.80x = 3,122,729.70 × 1,609,427.80 - Step 4: Simplify right side
2,081,819.80x = 5,025,807,991,065.66 - Step 5: Solve for x
x = 5,025,807,991,065.66/2,081,819.80 - Step 6: Final answer
x = 2,414,141.70
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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.