Finding the Fourth Proportional to 4,042,622.70, 6,063,934.05 and 1,645,233.30
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Solution
The fourth proportional to 4,042,622.70, 6,063,934.05 and 1,645,233.30 is: 2,467,849.95
Step by Step Solution
- Step 1: Write the proportion equation
4,042,622.70 : 6,063,934.05 = 1,645,233.30 : x - Step 2: Convert to fraction form
4,042,622.70/6,063,934.05 = 1,645,233.30/x - Step 3: Cross multiply
4,042,622.70x = 6,063,934.05 × 1,645,233.30 - Step 4: Simplify right side
4,042,622.70x = 9,976,586,228,063.87 - Step 5: Solve for x
x = 9,976,586,228,063.87/4,042,622.70 - Step 6: Final answer
x = 2,467,849.95
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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.