Finding the Fourth Proportional to 3,024,370.12, 4,173,628.44 and 1,666,243.12
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Solution
The fourth proportional to 3,024,370.12, 4,173,628.44 and 1,666,243.12 is: 2,299,414.22
Step by Step Solution
- Step 1: Write the proportion equation
3,024,370.12 : 4,173,628.44 = 1,666,243.12 : x - Step 2: Convert to fraction form
3,024,370.12/4,173,628.44 = 1,666,243.12/x - Step 3: Cross multiply
3,024,370.12x = 4,173,628.44 × 1,666,243.12 - Step 4: Simplify right side
3,024,370.12x = 6,954,279,673,586.33 - Step 5: Solve for x
x = 6,954,279,673,586.33/3,024,370.12 - Step 6: Final answer
x = 2,299,414.22
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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.