Finding the Fourth Proportional to 3,264,177.58, 4,503,249.74 and 1,972,775.95
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Solution
The fourth proportional to 3,264,177.58, 4,503,249.74 and 1,972,775.95 is: 2,721,635.87
Step by Step Solution
- Step 1: Write the proportion equation
3,264,177.58 : 4,503,249.74 = 1,972,775.95 : x - Step 2: Convert to fraction form
3,264,177.58/4,503,249.74 = 1,972,775.95/x - Step 3: Cross multiply
3,264,177.58x = 4,503,249.74 × 1,972,775.95 - Step 4: Simplify right side
3,264,177.58x = 8,883,902,783,915.75 - Step 5: Solve for x
x = 8,883,902,783,915.75/3,264,177.58 - Step 6: Final answer
x = 2,721,635.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.