Finding the Fourth Proportional to 5,556,668.68, 8,335,325.94 and 2,144,974.60
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Solution
The fourth proportional to 5,556,668.68, 8,335,325.94 and 2,144,974.60 is: 3,217,586.55
Step by Step Solution
- Step 1: Write the proportion equation
5,556,668.68 : 8,335,325.94 = 2,144,974.60 : x - Step 2: Convert to fraction form
5,556,668.68/8,335,325.94 = 2,144,974.60/x - Step 3: Cross multiply
5,556,668.68x = 8,335,325.94 × 2,144,974.60 - Step 4: Simplify right side
5,556,668.68x = 17,879,062,424,021.12 - Step 5: Solve for x
x = 17,879,062,424,021.12/5,556,668.68 - Step 6: Final answer
x = 3,217,586.55
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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.