Finding the Fourth Proportional to 2,640,169.62, 3,642,809.60 and 1,494,249.97
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Solution
The fourth proportional to 2,640,169.62, 3,642,809.60 and 1,494,249.97 is: 2,061,711.53
Step by Step Solution
- Step 1: Write the proportion equation
2,640,169.62 : 3,642,809.60 = 1,494,249.97 : x - Step 2: Convert to fraction form
2,640,169.62/3,642,809.60 = 1,494,249.97/x - Step 3: Cross multiply
2,640,169.62x = 3,642,809.60 × 1,494,249.97 - Step 4: Simplify right side
2,640,169.62x = 5,443,268,135,515.71 - Step 5: Solve for x
x = 5,443,268,135,515.71/2,640,169.62 - Step 6: Final answer
x = 2,061,711.53
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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.