Finding the Fourth Proportional to 4,673,845.36, 6,450,982.74 and 2,740,728.70
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Solution
The fourth proportional to 4,673,845.36, 6,450,982.74 and 2,740,728.70 is: 3,782,836.65
Step by Step Solution
- Step 1: Write the proportion equation
4,673,845.36 : 6,450,982.74 = 2,740,728.70 : x - Step 2: Convert to fraction form
4,673,845.36/6,450,982.74 = 2,740,728.70/x - Step 3: Cross multiply
4,673,845.36x = 6,450,982.74 × 2,740,728.70 - Step 4: Simplify right side
4,673,845.36x = 17,680,393,538,722.64 - Step 5: Solve for x
x = 17,680,393,538,722.64/4,673,845.36 - Step 6: Final answer
x = 3,782,836.65
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1.5x scale
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.