Finding the Fourth Proportional to 3,895,853.80, 5,376,175.02 and 2,176,988.44
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Solution
The fourth proportional to 3,895,853.80, 5,376,175.02 and 2,176,988.44 is: 3,004,186.37
Step by Step Solution
- Step 1: Write the proportion equation
3,895,853.80 : 5,376,175.02 = 2,176,988.44 : x - Step 2: Convert to fraction form
3,895,853.80/5,376,175.02 = 2,176,988.44/x - Step 3: Cross multiply
3,895,853.80x = 5,376,175.02 × 2,176,988.44 - Step 4: Simplify right side
3,895,853.80x = 11,703,870,869,956.77 - Step 5: Solve for x
x = 11,703,870,869,956.77/3,895,853.80 - Step 6: Final answer
x = 3,004,186.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.