Finding the Fourth Proportional to 1,422,867.51, 2,135,142.18 and 524,939.99
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Solution
The fourth proportional to 1,422,867.51, 2,135,142.18 and 524,939.99 is: 787,720.22
Step by Step Solution
- Step 1: Write the proportion equation
1,422,867.51 : 2,135,142.18 = 524,939.99 : x - Step 2: Convert to fraction form
1,422,867.51/2,135,142.18 = 524,939.99/x - Step 3: Cross multiply
1,422,867.51x = 2,135,142.18 × 524,939.99 - Step 4: Simplify right side
1,422,867.51x = 1,120,821,503,942.07 - Step 5: Solve for x
x = 1,120,821,503,942.07/1,422,867.51 - Step 6: Final answer
x = 787,720.22
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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.