Finding the Fourth Proportional to 1,339,059.57, 2,015,828.70 and 1,219,882.44
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Solution
The fourth proportional to 1,339,059.57, 2,015,828.70 and 1,219,882.44 is: 1,836,418.70
Step by Step Solution
- Step 1: Write the proportion equation
1,339,059.57 : 2,015,828.70 = 1,219,882.44 : x - Step 2: Convert to fraction form
1,339,059.57/2,015,828.70 = 1,219,882.44/x - Step 3: Cross multiply
1,339,059.57x = 2,015,828.70 × 1,219,882.44 - Step 4: Simplify right side
1,339,059.57x = 2,459,074,033,178.03 - Step 5: Solve for x
x = 2,459,074,033,178.03/1,339,059.57 - Step 6: Final answer
x = 1,836,418.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.