Finding the Fourth Proportional to 7,453,431.97, 10,285,752.12 and 4,190,273.52
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Solution
The fourth proportional to 7,453,431.97, 10,285,752.12 and 4,190,273.52 is: 5,782,586.45
Step by Step Solution
- Step 1: Write the proportion equation
7,453,431.97 : 10,285,752.12 = 4,190,273.52 : x - Step 2: Convert to fraction form
7,453,431.97/10,285,752.12 = 4,190,273.52/x - Step 3: Cross multiply
7,453,431.97x = 10,285,752.12 × 4,190,273.52 - Step 4: Simplify right side
7,453,431.97x = 43,100,114,718,861.81 - Step 5: Solve for x
x = 43,100,114,718,861.81/7,453,431.97 - Step 6: Final answer
x = 5,782,586.45
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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.