Finding the Fourth Proportional to 6,738,636.34, 9,303,806.91 and 3,986,207.99
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Solution
The fourth proportional to 6,738,636.34, 9,303,806.91 and 3,986,207.99 is: 5,503,622.34
Step by Step Solution
- Step 1: Write the proportion equation
6,738,636.34 : 9,303,806.91 = 3,986,207.99 : x - Step 2: Convert to fraction form
6,738,636.34/9,303,806.91 = 3,986,207.99/x - Step 3: Cross multiply
6,738,636.34x = 9,303,806.91 × 3,986,207.99 - Step 4: Simplify right side
6,738,636.34x = 37,086,909,497,711.65 - Step 5: Solve for x
x = 37,086,909,497,711.65/6,738,636.34 - Step 6: Final answer
x = 5,503,622.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.