Finding the Fourth Proportional to 1,485,874.16, 2,229,131.28 and 461,183.12
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Solution
The fourth proportional to 1,485,874.16, 2,229,131.28 and 461,183.12 is: 691,874.01
Step by Step Solution
- Step 1: Write the proportion equation
1,485,874.16 : 2,229,131.28 = 461,183.12 : x - Step 2: Convert to fraction form
1,485,874.16/2,229,131.28 = 461,183.12/x - Step 3: Cross multiply
1,485,874.16x = 2,229,131.28 × 461,183.12 - Step 4: Simplify right side
1,485,874.16x = 1,028,037,718,599.99 - Step 5: Solve for x
x = 1,028,037,718,599.99/1,485,874.16 - Step 6: Final answer
x = 691,874.01
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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.