Finding the Fourth Proportional to 4,855,683.26, 6,700,843.25 and 2,680,226.97
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Solution
The fourth proportional to 4,855,683.26, 6,700,843.25 and 2,680,226.97 is: 3,698,713.41
Step by Step Solution
- Step 1: Write the proportion equation
4,855,683.26 : 6,700,843.25 = 2,680,226.97 : x - Step 2: Convert to fraction form
4,855,683.26/6,700,843.25 = 2,680,226.97/x - Step 3: Cross multiply
4,855,683.26x = 6,700,843.25 × 2,680,226.97 - Step 4: Simplify right side
4,855,683.26x = 17,959,780,786,991.32 - Step 5: Solve for x
x = 17,959,780,786,991.32/4,855,683.26 - Step 6: Final answer
x = 3,698,713.41
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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.