Finding the Fourth Proportional to 2,183,145.09, 3,259,367.46 and 1,668,114.81
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Solution
The fourth proportional to 2,183,145.09, 3,259,367.46 and 1,668,114.81 is: 2,490,443.33
Step by Step Solution
- Step 1: Write the proportion equation
2,183,145.09 : 3,259,367.46 = 1,668,114.81 : x - Step 2: Convert to fraction form
2,183,145.09/3,259,367.46 = 1,668,114.81/x - Step 3: Cross multiply
2,183,145.09x = 3,259,367.46 × 1,668,114.81 - Step 4: Simplify right side
2,183,145.09x = 5,436,999,131,258.08 - Step 5: Solve for x
x = 5,436,999,131,258.08/2,183,145.09 - Step 6: Final answer
x = 2,490,443.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.