Finding the Fourth Proportional to 4,186,557.99, 6,279,819.41 and 1,629,556.09
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Solution
The fourth proportional to 4,186,557.99, 6,279,819.41 and 1,629,556.09 is: 2,444,327.29
Step by Step Solution
- Step 1: Write the proportion equation
4,186,557.99 : 6,279,819.41 = 1,629,556.09 : x - Step 2: Convert to fraction form
4,186,557.99/6,279,819.41 = 1,629,556.09/x - Step 3: Cross multiply
4,186,557.99x = 6,279,819.41 × 1,629,556.09 - Step 4: Simplify right side
4,186,557.99x = 10,233,317,939,818.38 - Step 5: Solve for x
x = 10,233,317,939,818.38/4,186,557.99 - Step 6: Final answer
x = 2,444,327.29
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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.