Finding the Fourth Proportional to 1,796,122.20, 2,694,183.30 and 533,785.80
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Solution
The fourth proportional to 1,796,122.20, 2,694,183.30 and 533,785.80 is: 800,678.70
Step by Step Solution
- Step 1: Write the proportion equation
1,796,122.20 : 2,694,183.30 = 533,785.80 : x - Step 2: Convert to fraction form
1,796,122.20/2,694,183.30 = 533,785.80/x - Step 3: Cross multiply
1,796,122.20x = 2,694,183.30 × 533,785.80 - Step 4: Simplify right side
1,796,122.20x = 1,438,116,788,137.14 - Step 5: Solve for x
x = 1,438,116,788,137.14/1,796,122.20 - Step 6: Final answer
x = 800,678.70
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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.