Finding the Fourth Proportional to 6,744,146.98, 10,119,542.04 and 3,149,391.48
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Solution
The fourth proportional to 6,744,146.98, 10,119,542.04 and 3,149,391.48 is: 4,725,638.33
Step by Step Solution
- Step 1: Write the proportion equation
6,744,146.98 : 10,119,542.04 = 3,149,391.48 : x - Step 2: Convert to fraction form
6,744,146.98/10,119,542.04 = 3,149,391.48/x - Step 3: Cross multiply
6,744,146.98x = 10,119,542.04 × 3,149,391.48 - Step 4: Simplify right side
6,744,146.98x = 31,870,399,431,680.11 - Step 5: Solve for x
x = 31,870,399,431,680.11/6,744,146.98 - Step 6: Final answer
x = 4,725,638.33
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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.