Finding the Fourth Proportional to 5,986,112.80, 8,984,806.80 and 3,148,261.60
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Solution
The fourth proportional to 5,986,112.80, 8,984,806.80 and 3,148,261.60 is: 4,725,357.37
Step by Step Solution
- Step 1: Write the proportion equation
5,986,112.80 : 8,984,806.80 = 3,148,261.60 : x - Step 2: Convert to fraction form
5,986,112.80/8,984,806.80 = 3,148,261.60/x - Step 3: Cross multiply
5,986,112.80x = 8,984,806.80 × 3,148,261.60 - Step 4: Simplify right side
5,986,112.80x = 28,286,522,231,858.88 - Step 5: Solve for x
x = 28,286,522,231,858.88/5,986,112.80 - Step 6: Final answer
x = 4,725,357.37
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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.