Finding the Fourth Proportional to 4,588,620.40, 6,882,930.60 and 2,197,135.90
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Solution
The fourth proportional to 4,588,620.40, 6,882,930.60 and 2,197,135.90 is: 3,295,703.85
Step by Step Solution
- Step 1: Write the proportion equation
4,588,620.40 : 6,882,930.60 = 2,197,135.90 : x - Step 2: Convert to fraction form
4,588,620.40/6,882,930.60 = 2,197,135.90/x - Step 3: Cross multiply
4,588,620.40x = 6,882,930.60 × 2,197,135.90 - Step 4: Simplify right side
4,588,620.40x = 15,122,733,918,468.54 - Step 5: Solve for x
x = 15,122,733,918,468.54/4,588,620.40 - Step 6: Final answer
x = 3,295,703.85
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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.