Finding the Fourth Proportional to 2,015,986.26, 2,782,059.80 and 1,110,568.26
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Solution
The fourth proportional to 2,015,986.26, 2,782,059.80 and 1,110,568.26 is: 1,532,583.51
Step by Step Solution
- Step 1: Write the proportion equation
2,015,986.26 : 2,782,059.80 = 1,110,568.26 : x - Step 2: Convert to fraction form
2,015,986.26/2,782,059.80 = 1,110,568.26/x - Step 3: Cross multiply
2,015,986.26x = 2,782,059.80 × 1,110,568.26 - Step 4: Simplify right side
2,015,986.26x = 3,089,667,305,749.11 - Step 5: Solve for x
x = 3,089,667,305,749.11/2,015,986.26 - Step 6: Final answer
x = 1,532,583.51
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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.