Finding the Fourth Proportional to 7,282,491.68, 10,925,146.80 and 2,794,418.72
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Solution
The fourth proportional to 7,282,491.68, 10,925,146.80 and 2,794,418.72 is: 4,192,168.85
Step by Step Solution
- Step 1: Write the proportion equation
7,282,491.68 : 10,925,146.80 = 2,794,418.72 : x - Step 2: Convert to fraction form
7,282,491.68/10,925,146.80 = 2,794,418.72/x - Step 3: Cross multiply
7,282,491.68x = 10,925,146.80 × 2,794,418.72 - Step 4: Simplify right side
7,282,491.68x = 30,529,434,736,668.10 - Step 5: Solve for x
x = 30,529,434,736,668.10/7,282,491.68 - Step 6: Final answer
x = 4,192,168.85
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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.