Finding the Fourth Proportional to 3,880,053.05, 5,354,217.02 and 2,330,393.92
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Solution
The fourth proportional to 3,880,053.05, 5,354,217.02 and 2,330,393.92 is: 3,215,789.74
Step by Step Solution
- Step 1: Write the proportion equation
3,880,053.05 : 5,354,217.02 = 2,330,393.92 : x - Step 2: Convert to fraction form
3,880,053.05/5,354,217.02 = 2,330,393.92/x - Step 3: Cross multiply
3,880,053.05x = 5,354,217.02 × 2,330,393.92 - Step 4: Simplify right side
3,880,053.05x = 12,477,434,778,116.55 - Step 5: Solve for x
x = 12,477,434,778,116.55/3,880,053.05 - Step 6: Final answer
x = 3,215,789.74
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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.