Finding the Fourth Proportional to 4,212,839.44, 5,813,694.48 and 2,279,094.40
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Solution
The fourth proportional to 4,212,839.44, 5,813,694.48 and 2,279,094.40 is: 3,145,137.32
Step by Step Solution
- Step 1: Write the proportion equation
4,212,839.44 : 5,813,694.48 = 2,279,094.40 : x - Step 2: Convert to fraction form
4,212,839.44/5,813,694.48 = 2,279,094.40/x - Step 3: Cross multiply
4,212,839.44x = 5,813,694.48 × 2,279,094.40 - Step 4: Simplify right side
4,212,839.44x = 13,249,958,532,678.91 - Step 5: Solve for x
x = 13,249,958,532,678.91/4,212,839.44 - Step 6: Final answer
x = 3,145,137.32
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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.