Finding the Fourth Proportional to 1,471,777.66, 2,205,819.68 and 629,338.78
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Solution
The fourth proportional to 1,471,777.66, 2,205,819.68 and 629,338.78 is: 943,218.47
Step by Step Solution
- Step 1: Write the proportion equation
1,471,777.66 : 2,205,819.68 = 629,338.78 : x - Step 2: Convert to fraction form
1,471,777.66/2,205,819.68 = 629,338.78/x - Step 3: Cross multiply
1,471,777.66x = 2,205,819.68 × 629,338.78 - Step 4: Simplify right side
1,471,777.66x = 1,388,207,866,311.19 - Step 5: Solve for x
x = 1,388,207,866,311.19/1,471,777.66 - Step 6: Final answer
x = 943,218.47
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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.