Finding the Fourth Proportional to 2,865,020.70, 4,297,063.98 and 842,791.68
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Solution
The fourth proportional to 2,865,020.70, 4,297,063.98 and 842,791.68 is: 1,264,050.12
Step by Step Solution
- Step 1: Write the proportion equation
2,865,020.70 : 4,297,063.98 = 842,791.68 : x - Step 2: Convert to fraction form
2,865,020.70/4,297,063.98 = 842,791.68/x - Step 3: Cross multiply
2,865,020.70x = 4,297,063.98 × 842,791.68 - Step 4: Simplify right side
2,865,020.70x = 3,621,529,770,771.69 - Step 5: Solve for x
x = 3,621,529,770,771.69/2,865,020.70 - Step 6: Final answer
x = 1,264,050.12
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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.