Finding the Fourth Proportional to 1,447,749.22, 2,171,640.55 and 436,879.93
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Solution
The fourth proportional to 1,447,749.22, 2,171,640.55 and 436,879.93 is: 655,324.94
Step by Step Solution
- Step 1: Write the proportion equation
1,447,749.22 : 2,171,640.55 = 436,879.93 : x - Step 2: Convert to fraction form
1,447,749.22/2,171,640.55 = 436,879.93/x - Step 3: Cross multiply
1,447,749.22x = 2,171,640.55 × 436,879.93 - Step 4: Simplify right side
1,447,749.22x = 948,746,171,469.16 - Step 5: Solve for x
x = 948,746,171,469.16/1,447,749.22 - Step 6: Final answer
x = 655,324.94
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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.