Finding the Fourth Proportional to 5,647,928.88, 7,794,193.08 and 3,069,615.84
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Solution
The fourth proportional to 5,647,928.88, 7,794,193.08 and 3,069,615.84 is: 4,236,097.70
Step by Step Solution
- Step 1: Write the proportion equation
5,647,928.88 : 7,794,193.08 = 3,069,615.84 : x - Step 2: Convert to fraction form
5,647,928.88/7,794,193.08 = 3,069,615.84/x - Step 3: Cross multiply
5,647,928.88x = 7,794,193.08 × 3,069,615.84 - Step 4: Simplify right side
5,647,928.88x = 23,925,178,538,386.39 - Step 5: Solve for x
x = 23,925,178,538,386.39/5,647,928.88 - Step 6: Final answer
x = 4,236,097.70
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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.