Finding the Fourth Proportional to 2,566,840.09, 3,542,240.36 and 1,405,361.62
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Solution
The fourth proportional to 2,566,840.09, 3,542,240.36 and 1,405,361.62 is: 1,939,399.60
Step by Step Solution
- Step 1: Write the proportion equation
2,566,840.09 : 3,542,240.36 = 1,405,361.62 : x - Step 2: Convert to fraction form
2,566,840.09/3,542,240.36 = 1,405,361.62/x - Step 3: Cross multiply
2,566,840.09x = 3,542,240.36 × 1,405,361.62 - Step 4: Simplify right side
2,566,840.09x = 4,978,128,650,758.98 - Step 5: Solve for x
x = 4,978,128,650,758.98/2,566,840.09 - Step 6: Final answer
x = 1,939,399.60
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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.