Finding the Fourth Proportional to 3,948,021.07, 5,922,731.28 and 1,788,958.97
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Solution
The fourth proportional to 3,948,021.07, 5,922,731.28 and 1,788,958.97 is: 2,683,755.49
Step by Step Solution
- Step 1: Write the proportion equation
3,948,021.07 : 5,922,731.28 = 1,788,958.97 : x - Step 2: Convert to fraction form
3,948,021.07/5,922,731.28 = 1,788,958.97/x - Step 3: Cross multiply
3,948,021.07x = 5,922,731.28 × 1,788,958.97 - Step 4: Simplify right side
3,948,021.07x = 10,595,523,211,697.13 - Step 5: Solve for x
x = 10,595,523,211,697.13/3,948,021.07 - Step 6: Final answer
x = 2,683,755.49
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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.