Finding the Fourth Proportional to 4,794,972.18, 7,180,968.33 and 3,494,639.40
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Solution
The fourth proportional to 4,794,972.18, 7,180,968.33 and 3,494,639.40 is: 5,233,585.08
Step by Step Solution
- Step 1: Write the proportion equation
4,794,972.18 : 7,180,968.33 = 3,494,639.40 : x - Step 2: Convert to fraction form
4,794,972.18/7,180,968.33 = 3,494,639.40/x - Step 3: Cross multiply
4,794,972.18x = 7,180,968.33 × 3,494,639.40 - Step 4: Simplify right side
4,794,972.18x = 25,094,894,856,170.20 - Step 5: Solve for x
x = 25,094,894,856,170.20/4,794,972.18 - Step 6: Final answer
x = 5,233,585.08
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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.