Finding the Fourth Proportional to 2,139,091.66, 3,208,754.36 and 541,668.60
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Solution
The fourth proportional to 2,139,091.66, 3,208,754.36 and 541,668.60 is: 812,532.49
Step by Step Solution
- Step 1: Write the proportion equation
2,139,091.66 : 3,208,754.36 = 541,668.60 : x - Step 2: Convert to fraction form
2,139,091.66/3,208,754.36 = 541,668.60/x - Step 3: Cross multiply
2,139,091.66x = 3,208,754.36 × 541,668.60 - Step 4: Simplify right side
2,139,091.66x = 1,738,081,481,925.10 - Step 5: Solve for x
x = 1,738,081,481,925.10/2,139,091.66 - Step 6: Final answer
x = 812,532.49
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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.