Finding the Fourth Proportional to 2,708,947.09, 3,738,327.21 and 1,485,232.43
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Solution
The fourth proportional to 2,708,947.09, 3,738,327.21 and 1,485,232.43 is: 2,049,609.91
Step by Step Solution
- Step 1: Write the proportion equation
2,708,947.09 : 3,738,327.21 = 1,485,232.43 : x - Step 2: Convert to fraction form
2,708,947.09/3,738,327.21 = 1,485,232.43/x - Step 3: Cross multiply
2,708,947.09x = 3,738,327.21 × 1,485,232.43 - Step 4: Simplify right side
2,708,947.09x = 5,552,284,802,243.05 - Step 5: Solve for x
x = 5,552,284,802,243.05/2,708,947.09 - Step 6: Final answer
x = 2,049,609.91
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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.