Finding the Fourth Proportional to 1,761,825.95, 2,431,660.64 and 1,148,914.62
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Solution
The fourth proportional to 1,761,825.95, 2,431,660.64 and 1,148,914.62 is: 1,585,724.44
Step by Step Solution
- Step 1: Write the proportion equation
1,761,825.95 : 2,431,660.64 = 1,148,914.62 : x - Step 2: Convert to fraction form
1,761,825.95/2,431,660.64 = 1,148,914.62/x - Step 3: Cross multiply
1,761,825.95x = 2,431,660.64 × 1,148,914.62 - Step 4: Simplify right side
1,761,825.95x = 2,793,770,463,046.84 - Step 5: Solve for x
x = 2,793,770,463,046.84/1,761,825.95 - Step 6: Final answer
x = 1,585,724.44
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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.