Finding the Fourth Proportional to 1,478,976.44, 2,218,709.91 and 519,183.14
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Solution
The fourth proportional to 1,478,976.44, 2,218,709.91 and 519,183.14 is: 778,860.80
Step by Step Solution
- Step 1: Write the proportion equation
1,478,976.44 : 2,218,709.91 = 519,183.14 : x - Step 2: Convert to fraction form
1,478,976.44/2,218,709.91 = 519,183.14/x - Step 3: Cross multiply
1,478,976.44x = 2,218,709.91 × 519,183.14 - Step 4: Simplify right side
1,478,976.44x = 1,151,916,766,729.37 - Step 5: Solve for x
x = 1,151,916,766,729.37/1,478,976.44 - Step 6: Final answer
x = 778,860.80
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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.