Finding the Fourth Proportional to 3,939,116.96, 5,440,465.41 and 2,647,715.33
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Solution
The fourth proportional to 3,939,116.96, 5,440,465.41 and 2,647,715.33 is: 3,656,861.12
Step by Step Solution
- Step 1: Write the proportion equation
3,939,116.96 : 5,440,465.41 = 2,647,715.33 : x - Step 2: Convert to fraction form
3,939,116.96/5,440,465.41 = 2,647,715.33/x - Step 3: Cross multiply
3,939,116.96x = 5,440,465.41 × 2,647,715.33 - Step 4: Simplify right side
3,939,116.96x = 14,404,803,668,391.74 - Step 5: Solve for x
x = 14,404,803,668,391.74/3,939,116.96 - Step 6: Final answer
x = 3,656,861.12
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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.