Finding the Fourth Proportional to 1,703,183.30, 2,554,784.17 and 505,115.99
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Solution
The fourth proportional to 1,703,183.30, 2,554,784.17 and 505,115.99 is: 757,676.72
Step by Step Solution
- Step 1: Write the proportion equation
1,703,183.30 : 2,554,784.17 = 505,115.99 : x - Step 2: Convert to fraction form
1,703,183.30/2,554,784.17 = 505,115.99/x - Step 3: Cross multiply
1,703,183.30x = 2,554,784.17 × 505,115.99 - Step 4: Simplify right side
1,703,183.30x = 1,290,462,340,390.05 - Step 5: Solve for x
x = 1,290,462,340,390.05/1,703,183.30 - Step 6: Final answer
x = 757,676.72
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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.