Finding the Fourth Proportional to 3,171,601.09, 4,756,335.42 and 1,149,421.60
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Solution
The fourth proportional to 3,171,601.09, 4,756,335.42 and 1,149,421.60 is: 1,723,745.99
Step by Step Solution
- Step 1: Write the proportion equation
3,171,601.09 : 4,756,335.42 = 1,149,421.60 : x - Step 2: Convert to fraction form
3,171,601.09/4,756,335.42 = 1,149,421.60/x - Step 3: Cross multiply
3,171,601.09x = 4,756,335.42 × 1,149,421.60 - Step 4: Simplify right side
3,171,601.09x = 5,467,034,668,593.07 - Step 5: Solve for x
x = 5,467,034,668,593.07/3,171,601.09 - Step 6: Final answer
x = 1,723,745.99
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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.