Finding the Fourth Proportional to 1,559,198.75, 2,151,694.29 and 843,806.75
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Solution
The fourth proportional to 1,559,198.75, 2,151,694.29 and 843,806.75 is: 1,164,453.32
Step by Step Solution
- Step 1: Write the proportion equation
1,559,198.75 : 2,151,694.29 = 843,806.75 : x - Step 2: Convert to fraction form
1,559,198.75/2,151,694.29 = 843,806.75/x - Step 3: Cross multiply
1,559,198.75x = 2,151,694.29 × 843,806.75 - Step 4: Simplify right side
1,559,198.75x = 1,815,614,165,838.46 - Step 5: Solve for x
x = 1,815,614,165,838.46/1,559,198.75 - Step 6: Final answer
x = 1,164,453.32
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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.