Finding the Fourth Proportional to 5,436,525.87, 8,143,901.60 and 3,276,348.21
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Solution
The fourth proportional to 5,436,525.87, 8,143,901.60 and 3,276,348.21 is: 4,907,961.09
Step by Step Solution
- Step 1: Write the proportion equation
5,436,525.87 : 8,143,901.60 = 3,276,348.21 : x - Step 2: Convert to fraction form
5,436,525.87/8,143,901.60 = 3,276,348.21/x - Step 3: Cross multiply
5,436,525.87x = 8,143,901.60 × 3,276,348.21 - Step 4: Simplify right side
5,436,525.87x = 26,682,257,413,194.39 - Step 5: Solve for x
x = 26,682,257,413,194.39/5,436,525.87 - Step 6: Final answer
x = 4,907,961.09
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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.