Finding the Fourth Proportional to 1,571,243.48, 2,168,254.97 and 960,418.97
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Solution
The fourth proportional to 1,571,243.48, 2,168,254.97 and 960,418.97 is: 1,325,340.87
Step by Step Solution
- Step 1: Write the proportion equation
1,571,243.48 : 2,168,254.97 = 960,418.97 : x - Step 2: Convert to fraction form
1,571,243.48/2,168,254.97 = 960,418.97/x - Step 3: Cross multiply
1,571,243.48x = 2,168,254.97 × 960,418.97 - Step 4: Simplify right side
1,571,243.48x = 2,082,433,200,182.69 - Step 5: Solve for x
x = 2,082,433,200,182.69/1,571,243.48 - Step 6: Final answer
x = 1,325,340.87
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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.