Finding the Fourth Proportional to 3,948,636.34, 5,923,315.97 and 1,108,729.36
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Solution
The fourth proportional to 3,948,636.34, 5,923,315.97 and 1,108,729.36 is: 1,663,195.53
Step by Step Solution
- Step 1: Write the proportion equation
3,948,636.34 : 5,923,315.97 = 1,108,729.36 : x - Step 2: Convert to fraction form
3,948,636.34/5,923,315.97 = 1,108,729.36/x - Step 3: Cross multiply
3,948,636.34x = 5,923,315.97 × 1,108,729.36 - Step 4: Simplify right side
3,948,636.34x = 6,567,354,324,495.88 - Step 5: Solve for x
x = 6,567,354,324,495.88/3,948,636.34 - Step 6: Final answer
x = 1,663,195.53
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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.