Finding the Fourth Proportional to 2,622,986.28, 3,935,009.84 and 1,106,672.99
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Solution
The fourth proportional to 2,622,986.28, 3,935,009.84 and 1,106,672.99 is: 1,660,233.27
Step by Step Solution
- Step 1: Write the proportion equation
2,622,986.28 : 3,935,009.84 = 1,106,672.99 : x - Step 2: Convert to fraction form
2,622,986.28/3,935,009.84 = 1,106,672.99/x - Step 3: Cross multiply
2,622,986.28x = 3,935,009.84 × 1,106,672.99 - Step 4: Simplify right side
2,622,986.28x = 4,354,769,080,103.81 - Step 5: Solve for x
x = 4,354,769,080,103.81/2,622,986.28 - Step 6: Final answer
x = 1,660,233.27
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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.