Finding the Fourth Proportional to 1,836,219.26, 2,531,311.92 and 1,283,218.07
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Solution
The fourth proportional to 1,836,219.26, 2,531,311.92 and 1,283,218.07 is: 1,768,974.58
Step by Step Solution
- Step 1: Write the proportion equation
1,836,219.26 : 2,531,311.92 = 1,283,218.07 : x - Step 2: Convert to fraction form
1,836,219.26/2,531,311.92 = 1,283,218.07/x - Step 3: Cross multiply
1,836,219.26x = 2,531,311.92 × 1,283,218.07 - Step 4: Simplify right side
1,836,219.26x = 3,248,225,196,550.39 - Step 5: Solve for x
x = 3,248,225,196,550.39/1,836,219.26 - Step 6: Final answer
x = 1,768,974.58
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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.