Finding the Fourth Proportional to 1,842,450.59, 2,542,771.01 and 1,107,642.75
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Solution
The fourth proportional to 1,842,450.59, 2,542,771.01 and 1,107,642.75 is: 1,528,660.73
Step by Step Solution
- Step 1: Write the proportion equation
1,842,450.59 : 2,542,771.01 = 1,107,642.75 : x - Step 2: Convert to fraction form
1,842,450.59/2,542,771.01 = 1,107,642.75/x - Step 3: Cross multiply
1,842,450.59x = 2,542,771.01 × 1,107,642.75 - Step 4: Simplify right side
1,842,450.59x = 2,816,481,861,139.90 - Step 5: Solve for x
x = 2,816,481,861,139.90/1,842,450.59 - Step 6: Final answer
x = 1,528,660.73
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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.