Finding the Fourth Proportional to 5,470,589.36, 8,198,548.99 and 4,257,630.59
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Solution
The fourth proportional to 5,470,589.36, 8,198,548.99 and 4,257,630.59 is: 6,380,737.19
Step by Step Solution
- Step 1: Write the proportion equation
5,470,589.36 : 8,198,548.99 = 4,257,630.59 : x - Step 2: Convert to fraction form
5,470,589.36/8,198,548.99 = 4,257,630.59/x - Step 3: Cross multiply
5,470,589.36x = 8,198,548.99 × 4,257,630.59 - Step 4: Simplify right side
5,470,589.36x = 34,906,392,921,800.78 - Step 5: Solve for x
x = 34,906,392,921,800.78/5,470,589.36 - Step 6: Final answer
x = 6,380,737.19
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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.