Finding the Fourth Proportional to 3,767,775.11, 5,199,372.67 and 2,136,292.95
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Solution
The fourth proportional to 3,767,775.11, 5,199,372.67 and 2,136,292.95 is: 2,947,995.26
Step by Step Solution
- Step 1: Write the proportion equation
3,767,775.11 : 5,199,372.67 = 2,136,292.95 : x - Step 2: Convert to fraction form
3,767,775.11/5,199,372.67 = 2,136,292.95/x - Step 3: Cross multiply
3,767,775.11x = 5,199,372.67 × 2,136,292.95 - Step 4: Simplify right side
3,767,775.11x = 11,107,383,179,343.68 - Step 5: Solve for x
x = 11,107,383,179,343.68/3,767,775.11 - Step 6: Final answer
x = 2,947,995.26
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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.