Finding the Fourth Proportional to 2,784,243.07, 3,842,361.05 and 1,560,571.21
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Solution
The fourth proportional to 2,784,243.07, 3,842,361.05 and 1,560,571.21 is: 2,153,647.47
Step by Step Solution
- Step 1: Write the proportion equation
2,784,243.07 : 3,842,361.05 = 1,560,571.21 : x - Step 2: Convert to fraction form
2,784,243.07/3,842,361.05 = 1,560,571.21/x - Step 3: Cross multiply
2,784,243.07x = 3,842,361.05 × 1,560,571.21 - Step 4: Simplify right side
2,784,243.07x = 5,996,278,033,055.37 - Step 5: Solve for x
x = 5,996,278,033,055.37/2,784,243.07 - Step 6: Final answer
x = 2,153,647.47
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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.