Finding the Fourth Proportional to 1,519,037.91, 2,279,678.31 and 720,322.14
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Solution
The fourth proportional to 1,519,037.91, 2,279,678.31 and 720,322.14 is: 1,081,015.00
Step by Step Solution
- Step 1: Write the proportion equation
1,519,037.91 : 2,279,678.31 = 720,322.14 : x - Step 2: Convert to fraction form
1,519,037.91/2,279,678.31 = 720,322.14/x - Step 3: Cross multiply
1,519,037.91x = 2,279,678.31 × 720,322.14 - Step 4: Simplify right side
1,519,037.91x = 1,642,102,758,770.78 - Step 5: Solve for x
x = 1,642,102,758,770.78/1,519,037.91 - Step 6: Final answer
x = 1,081,015.00
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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.