Finding the Fourth Proportional to 3,861,512.73, 5,326,672.79 and 2,408,684.99
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Solution
The fourth proportional to 3,861,512.73, 5,326,672.79 and 2,408,684.99 is: 3,322,603.78
Step by Step Solution
- Step 1: Write the proportion equation
3,861,512.73 : 5,326,672.79 = 2,408,684.99 : x - Step 2: Convert to fraction form
3,861,512.73/5,326,672.79 = 2,408,684.99/x - Step 3: Cross multiply
3,861,512.73x = 5,326,672.79 × 2,408,684.99 - Step 4: Simplify right side
3,861,512.73x = 12,830,276,775,302.77 - Step 5: Solve for x
x = 12,830,276,775,302.77/3,861,512.73 - Step 6: Final answer
x = 3,322,603.78
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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.