Finding the Fourth Proportional to 5,310,183.68, 7,964,400 and 2,278,039.04
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Solution
The fourth proportional to 5,310,183.68, 7,964,400 and 2,278,039.04 is: 3,416,682.97
Step by Step Solution
- Step 1: Write the proportion equation
5,310,183.68 : 7,964,400 = 2,278,039.04 : x - Step 2: Convert to fraction form
5,310,183.68/7,964,400 = 2,278,039.04/x - Step 3: Cross multiply
5,310,183.68x = 7,964,400 × 2,278,039.04 - Step 4: Simplify right side
5,310,183.68x = 18,143,214,130,176 - Step 5: Solve for x
x = 18,143,214,130,176/5,310,183.68 - Step 6: Final answer
x = 3,416,682.97
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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.