Finding the Fourth Proportional to 4,136,792.51, 6,205,190.39 and 1,297,126.10
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Solution
The fourth proportional to 4,136,792.51, 6,205,190.39 and 1,297,126.10 is: 1,945,689.66
Step by Step Solution
- Step 1: Write the proportion equation
4,136,792.51 : 6,205,190.39 = 1,297,126.10 : x - Step 2: Convert to fraction form
4,136,792.51/6,205,190.39 = 1,297,126.10/x - Step 3: Cross multiply
4,136,792.51x = 6,205,190.39 × 1,297,126.10 - Step 4: Simplify right side
4,136,792.51x = 8,048,914,424,229.75 - Step 5: Solve for x
x = 8,048,914,424,229.75/4,136,792.51 - Step 6: Final answer
x = 1,945,689.66
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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.