Finding the Fourth Proportional to 1,842,361.66, 2,542,464.30 and 1,068,142.60
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Solution
The fourth proportional to 1,842,361.66, 2,542,464.30 and 1,068,142.60 is: 1,474,039.81
Step by Step Solution
- Step 1: Write the proportion equation
1,842,361.66 : 2,542,464.30 = 1,068,142.60 : x - Step 2: Convert to fraction form
1,842,361.66/2,542,464.30 = 1,068,142.60/x - Step 3: Cross multiply
1,842,361.66x = 2,542,464.30 × 1,068,142.60 - Step 4: Simplify right side
1,842,361.66x = 2,715,714,427,809.18 - Step 5: Solve for x
x = 2,715,714,427,809.18/1,842,361.66 - Step 6: Final answer
x = 1,474,039.81
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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.