Finding the Fourth Proportional to 3,286,739.70, 4,930,109.55 and 3,286,739.70
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Solution
The fourth proportional to 3,286,739.70, 4,930,109.55 and 3,286,739.70 is: 4,930,109.55
Step by Step Solution
- Step 1: Write the proportion equation
3,286,739.70 : 4,930,109.55 = 3,286,739.70 : x - Step 2: Convert to fraction form
3,286,739.70/4,930,109.55 = 3,286,739.70/x - Step 3: Cross multiply
3,286,739.70x = 4,930,109.55 × 3,286,739.70 - Step 4: Simplify right side
3,286,739.70x = 16,203,986,783,334.13 - Step 5: Solve for x
x = 16,203,986,783,334.13/3,286,739.70 - Step 6: Final answer
x = 4,930,109.55
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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.