Finding the Fourth Proportional to 3,883,295.30, 5,358,972.39 and 2,164,524.80
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Solution
The fourth proportional to 3,883,295.30, 5,358,972.39 and 2,164,524.80 is: 2,987,058.09
Step by Step Solution
- Step 1: Write the proportion equation
3,883,295.30 : 5,358,972.39 = 2,164,524.80 : x - Step 2: Convert to fraction form
3,883,295.30/5,358,972.39 = 2,164,524.80/x - Step 3: Cross multiply
3,883,295.30x = 5,358,972.39 × 2,164,524.80 - Step 4: Simplify right side
3,883,295.30x = 11,599,628,640,670.27 - Step 5: Solve for x
x = 11,599,628,640,670.27/3,883,295.30 - Step 6: Final answer
x = 2,987,058.09
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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.