Finding the Fourth Proportional to 4,042,550.80, 6,063,826.20 and 2,021,106.70
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Solution
The fourth proportional to 4,042,550.80, 6,063,826.20 and 2,021,106.70 is: 3,031,660.05
Step by Step Solution
- Step 1: Write the proportion equation
4,042,550.80 : 6,063,826.20 = 2,021,106.70 : x - Step 2: Convert to fraction form
4,042,550.80/6,063,826.20 = 2,021,106.70/x - Step 3: Cross multiply
4,042,550.80x = 6,063,826.20 × 2,021,106.70 - Step 4: Simplify right side
4,042,550.80x = 12,255,639,760,455.54 - Step 5: Solve for x
x = 12,255,639,760,455.54/4,042,550.80 - Step 6: Final answer
x = 3,031,660.05
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Double scale
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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.