Finding the Fourth Proportional to 5,611,655.97, 7,744,081.91 and 3,033,336.78
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Solution
The fourth proportional to 5,611,655.97, 7,744,081.91 and 3,033,336.78 is: 4,186,002.95
Step by Step Solution
- Step 1: Write the proportion equation
5,611,655.97 : 7,744,081.91 = 3,033,336.78 : x - Step 2: Convert to fraction form
5,611,655.97/7,744,081.91 = 3,033,336.78/x - Step 3: Cross multiply
5,611,655.97x = 7,744,081.91 × 3,033,336.78 - Step 4: Simplify right side
5,611,655.97x = 23,490,408,469,768.96 - Step 5: Solve for x
x = 23,490,408,469,768.96/5,611,655.97 - Step 6: Final answer
x = 4,186,002.95
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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.