Finding the Fourth Proportional to 3,025,872.68, 4,175,705.81 and 1,719,126.98
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Solution
The fourth proportional to 3,025,872.68, 4,175,705.81 and 1,719,126.98 is: 2,372,396.09
Step by Step Solution
- Step 1: Write the proportion equation
3,025,872.68 : 4,175,705.81 = 1,719,126.98 : x - Step 2: Convert to fraction form
3,025,872.68/4,175,705.81 = 1,719,126.98/x - Step 3: Cross multiply
3,025,872.68x = 4,175,705.81 × 1,719,126.98 - Step 4: Simplify right side
3,025,872.68x = 7,178,568,489,039.59 - Step 5: Solve for x
x = 7,178,568,489,039.59/3,025,872.68 - Step 6: Final answer
x = 2,372,396.09
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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.