Finding the Fourth Proportional to 4,609,969.20, 6,912,880.20 and 1,769,137.20
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Solution
The fourth proportional to 4,609,969.20, 6,912,880.20 and 1,769,137.20 is: 2,652,910.03
Step by Step Solution
- Step 1: Write the proportion equation
4,609,969.20 : 6,912,880.20 = 1,769,137.20 : x - Step 2: Convert to fraction form
4,609,969.20/6,912,880.20 = 1,769,137.20/x - Step 3: Cross multiply
4,609,969.20x = 6,912,880.20 × 1,769,137.20 - Step 4: Simplify right side
4,609,969.20x = 12,229,833,520,963.44 - Step 5: Solve for x
x = 12,229,833,520,963.44/4,609,969.20 - Step 6: Final answer
x = 2,652,910.03
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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.