Finding the Fourth Proportional to 3,800,947.05, 5,244,051.11 and 2,330,311.05
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Solution
The fourth proportional to 3,800,947.05, 5,244,051.11 and 2,330,311.05 is: 3,215,059.32
Step by Step Solution
- Step 1: Write the proportion equation
3,800,947.05 : 5,244,051.11 = 2,330,311.05 : x - Step 2: Convert to fraction form
3,800,947.05/5,244,051.11 = 2,330,311.05/x - Step 3: Cross multiply
3,800,947.05x = 5,244,051.11 × 2,330,311.05 - Step 4: Simplify right side
3,800,947.05x = 12,220,270,236,746.21 - Step 5: Solve for x
x = 12,220,270,236,746.21/3,800,947.05 - Step 6: Final answer
x = 3,215,059.32
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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.