Finding the Fourth Proportional to 4,077,936.46, 6,117,640.18 and 1,680,446.62
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Solution
The fourth proportional to 4,077,936.46, 6,117,640.18 and 1,680,446.62 is: 2,520,973.01
Step by Step Solution
- Step 1: Write the proportion equation
4,077,936.46 : 6,117,640.18 = 1,680,446.62 : x - Step 2: Convert to fraction form
4,077,936.46/6,117,640.18 = 1,680,446.62/x - Step 3: Cross multiply
4,077,936.46x = 6,117,640.18 × 1,680,446.62 - Step 4: Simplify right side
4,077,936.46x = 10,280,367,762,857.19 - Step 5: Solve for x
x = 10,280,367,762,857.19/4,077,936.46 - Step 6: Final answer
x = 2,520,973.01
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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.