Finding the Fourth Proportional to 4,222,491.21, 5,827,050.36 and 2,288,759.49
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Solution
The fourth proportional to 4,222,491.21, 5,827,050.36 and 2,288,759.49 is: 3,158,494.87
Step by Step Solution
- Step 1: Write the proportion equation
4,222,491.21 : 5,827,050.36 = 2,288,759.49 : x - Step 2: Convert to fraction form
4,222,491.21/5,827,050.36 = 2,288,759.49/x - Step 3: Cross multiply
4,222,491.21x = 5,827,050.36 × 2,288,759.49 - Step 4: Simplify right side
4,222,491.21x = 13,336,716,810,157.92 - Step 5: Solve for x
x = 13,336,716,810,157.92/4,222,491.21 - Step 6: Final answer
x = 3,158,494.87
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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.