Finding the Fourth Proportional to 1,863,622.67, 2,570,205.84 and 1,283,771.21
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Solution
The fourth proportional to 1,863,622.67, 2,570,205.84 and 1,283,771.21 is: 1,770,506.61
Step by Step Solution
- Step 1: Write the proportion equation
1,863,622.67 : 2,570,205.84 = 1,283,771.21 : x - Step 2: Convert to fraction form
1,863,622.67/2,570,205.84 = 1,283,771.21/x - Step 3: Cross multiply
1,863,622.67x = 2,570,205.84 × 1,283,771.21 - Step 4: Simplify right side
1,863,622.67x = 3,299,556,261,165.87 - Step 5: Solve for x
x = 3,299,556,261,165.87/1,863,622.67 - Step 6: Final answer
x = 1,770,506.61
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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.