Finding the Fourth Proportional to 3,939,113.99, 5,440,461.32 and 2,647,712.36
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Solution
The fourth proportional to 3,939,113.99, 5,440,461.32 and 2,647,712.36 is: 3,656,857.02
Step by Step Solution
- Step 1: Write the proportion equation
3,939,113.99 : 5,440,461.32 = 2,647,712.36 : x - Step 2: Convert to fraction form
3,939,113.99/5,440,461.32 = 2,647,712.36/x - Step 3: Cross multiply
3,939,113.99x = 5,440,461.32 × 2,647,712.36 - Step 4: Simplify right side
3,939,113.99x = 14,404,776,640,625.05 - Step 5: Solve for x
x = 14,404,776,640,625.05/3,939,113.99 - Step 6: Final answer
x = 3,656,857.02
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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.