Finding the Fourth Proportional to 2,081,361.42, 3,121,993.53 and 959,430.42
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Solution
The fourth proportional to 2,081,361.42, 3,121,993.53 and 959,430.42 is: 1,439,123.23
Step by Step Solution
- Step 1: Write the proportion equation
2,081,361.42 : 3,121,993.53 = 959,430.42 : x - Step 2: Convert to fraction form
2,081,361.42/3,121,993.53 = 959,430.42/x - Step 3: Cross multiply
2,081,361.42x = 3,121,993.53 × 959,430.42 - Step 4: Simplify right side
2,081,361.42x = 2,995,335,563,725.18 - Step 5: Solve for x
x = 2,995,335,563,725.18/2,081,361.42 - Step 6: Final answer
x = 1,439,123.23
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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.