Finding the Fourth Proportional to 6,422,227.50, 8,862,942.87 and 3,521,730.09
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Solution
The fourth proportional to 6,422,227.50, 8,862,942.87 and 3,521,730.09 is: 4,860,134.99
Step by Step Solution
- Step 1: Write the proportion equation
6,422,227.50 : 8,862,942.87 = 3,521,730.09 : x - Step 2: Convert to fraction form
6,422,227.50/8,862,942.87 = 3,521,730.09/x - Step 3: Cross multiply
6,422,227.50x = 8,862,942.87 × 3,521,730.09 - Step 4: Simplify right side
6,422,227.50x = 31,212,892,591,229.95 - Step 5: Solve for x
x = 31,212,892,591,229.95/6,422,227.50 - Step 6: Final answer
x = 4,860,134.99
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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.