Finding the Fourth Proportional to 3,946,749.57, 5,446,514.35 and 2,135,913.57
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Solution
The fourth proportional to 3,946,749.57, 5,446,514.35 and 2,135,913.57 is: 2,947,560.70
Step by Step Solution
- Step 1: Write the proportion equation
3,946,749.57 : 5,446,514.35 = 2,135,913.57 : x - Step 2: Convert to fraction form
3,946,749.57/5,446,514.35 = 2,135,913.57/x - Step 3: Cross multiply
3,946,749.57x = 5,446,514.35 × 2,135,913.57 - Step 4: Simplify right side
3,946,749.57x = 11,633,283,912,034.62 - Step 5: Solve for x
x = 11,633,283,912,034.62/3,946,749.57 - Step 6: Final answer
x = 2,947,560.70
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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.