Finding the Fourth Proportional to 5,647,591.20, 8,476,052.40 and 2,619,616.80
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Solution
The fourth proportional to 5,647,591.20, 8,476,052.40 and 2,619,616.80 is: 3,931,589.32
Step by Step Solution
- Step 1: Write the proportion equation
5,647,591.20 : 8,476,052.40 = 2,619,616.80 : x - Step 2: Convert to fraction form
5,647,591.20/8,476,052.40 = 2,619,616.80/x - Step 3: Cross multiply
5,647,591.20x = 8,476,052.40 × 2,619,616.80 - Step 4: Simplify right side
5,647,591.20x = 22,204,009,264,720.32 - Step 5: Solve for x
x = 22,204,009,264,720.32/5,647,591.20 - Step 6: Final answer
x = 3,931,589.32
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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.