Finding the Fourth Proportional to 5,165,858.07, 7,125,915.60 and 3,228,756.84
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Solution
The fourth proportional to 5,165,858.07, 7,125,915.60 and 3,228,756.84 is: 4,453,829.05
Step by Step Solution
- Step 1: Write the proportion equation
5,165,858.07 : 7,125,915.60 = 3,228,756.84 : x - Step 2: Convert to fraction form
5,165,858.07/7,125,915.60 = 3,228,756.84/x - Step 3: Cross multiply
5,165,858.07x = 7,125,915.60 × 3,228,756.84 - Step 4: Simplify right side
5,165,858.07x = 23,007,848,734,762.70 - Step 5: Solve for x
x = 23,007,848,734,762.70/5,165,858.07 - Step 6: Final answer
x = 4,453,829.05
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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.