Finding the Fourth Proportional to 4,846,980.20, 7,270,470.30 and 1,651,821.80
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Solution
The fourth proportional to 4,846,980.20, 7,270,470.30 and 1,651,821.80 is: 2,477,732.70
Step by Step Solution
- Step 1: Write the proportion equation
4,846,980.20 : 7,270,470.30 = 1,651,821.80 : x - Step 2: Convert to fraction form
4,846,980.20/7,270,470.30 = 1,651,821.80/x - Step 3: Cross multiply
4,846,980.20x = 7,270,470.30 × 1,651,821.80 - Step 4: Simplify right side
4,846,980.20x = 12,009,521,337,792.54 - Step 5: Solve for x
x = 12,009,521,337,792.54/4,846,980.20 - Step 6: Final answer
x = 2,477,732.70
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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.