Finding the Fourth Proportional to 2,449,720.63, 3,674,343.36 and 743,878.70
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Solution
The fourth proportional to 2,449,720.63, 3,674,343.36 and 743,878.70 is: 1,115,745.91
Step by Step Solution
- Step 1: Write the proportion equation
2,449,720.63 : 3,674,343.36 = 743,878.70 : x - Step 2: Convert to fraction form
2,449,720.63/3,674,343.36 = 743,878.70/x - Step 3: Cross multiply
2,449,720.63x = 3,674,343.36 × 743,878.70 - Step 4: Simplify right side
2,449,720.63x = 2,733,265,761,990.43 - Step 5: Solve for x
x = 2,733,265,761,990.43/2,449,720.63 - Step 6: Final answer
x = 1,115,745.91
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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.