Finding the Fourth Proportional to 2,591,846.09, 3,576,749.12 and 1,445,926.43
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Solution
The fourth proportional to 2,591,846.09, 3,576,749.12 and 1,445,926.43 is: 1,995,379.32
Step by Step Solution
- Step 1: Write the proportion equation
2,591,846.09 : 3,576,749.12 = 1,445,926.43 : x - Step 2: Convert to fraction form
2,591,846.09/3,576,749.12 = 1,445,926.43/x - Step 3: Cross multiply
2,591,846.09x = 3,576,749.12 × 1,445,926.43 - Step 4: Simplify right side
2,591,846.09x = 5,171,716,092,258.75 - Step 5: Solve for x
x = 5,171,716,092,258.75/2,591,846.09 - Step 6: Final answer
x = 1,995,379.32
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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.