Finding the Fourth Proportional to 3,946,756.58, 5,446,524 and 2,135,920.58
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Solution
The fourth proportional to 3,946,756.58, 5,446,524 and 2,135,920.58 is: 2,947,570.36
Step by Step Solution
- Step 1: Write the proportion equation
3,946,756.58 : 5,446,524 = 2,135,920.58 : x - Step 2: Convert to fraction form
3,946,756.58/5,446,524 = 2,135,920.58/x - Step 3: Cross multiply
3,946,756.58x = 5,446,524 × 2,135,920.58 - Step 4: Simplify right side
3,946,756.58x = 11,633,342,701,063.92 - Step 5: Solve for x
x = 11,633,342,701,063.92/3,946,756.58 - Step 6: Final answer
x = 2,947,570.36
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1.5x scale
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.