Finding the Fourth Proportional to 3,544,858.40, 5,317,287.60 and 2,124,183.20
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Solution
The fourth proportional to 3,544,858.40, 5,317,287.60 and 2,124,183.20 is: 3,186,274.80
Step by Step Solution
- Step 1: Write the proportion equation
3,544,858.40 : 5,317,287.60 = 2,124,183.20 : x - Step 2: Convert to fraction form
3,544,858.40/5,317,287.60 = 2,124,183.20/x - Step 3: Cross multiply
3,544,858.40x = 5,317,287.60 × 2,124,183.20 - Step 4: Simplify right side
3,544,858.40x = 11,294,892,989,488.32 - Step 5: Solve for x
x = 11,294,892,989,488.32/3,544,858.40 - Step 6: Final answer
x = 3,186,274.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.