Finding the Fourth Proportional to 2,042,236.22, 2,819,057.11 and 1,605,514.19
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Solution
The fourth proportional to 2,042,236.22, 2,819,057.11 and 1,605,514.19 is: 2,216,215.80
Step by Step Solution
- Step 1: Write the proportion equation
2,042,236.22 : 2,819,057.11 = 1,605,514.19 : x - Step 2: Convert to fraction form
2,042,236.22/2,819,057.11 = 1,605,514.19/x - Step 3: Cross multiply
2,042,236.22x = 2,819,057.11 × 1,605,514.19 - Step 4: Simplify right side
2,042,236.22x = 4,526,036,174,416.32 - Step 5: Solve for x
x = 4,526,036,174,416.32/2,042,236.22 - Step 6: Final answer
x = 2,216,215.80
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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.