Finding the Fourth Proportional to 1,447,749.47, 2,171,640.92 and 436,880.18
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Solution
The fourth proportional to 1,447,749.47, 2,171,640.92 and 436,880.18 is: 655,325.31
Step by Step Solution
- Step 1: Write the proportion equation
1,447,749.47 : 2,171,640.92 = 436,880.18 : x - Step 2: Convert to fraction form
1,447,749.47/2,171,640.92 = 436,880.18/x - Step 3: Cross multiply
1,447,749.47x = 2,171,640.92 × 436,880.18 - Step 4: Simplify right side
1,447,749.47x = 948,746,876,024.97 - Step 5: Solve for x
x = 948,746,876,024.97/1,447,749.47 - Step 6: Final answer
x = 655,325.31
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1.5x scale
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.