Finding the Fourth Proportional to 1,632,480.14, 2,253,456.24 and 1,225,756.46
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Solution
The fourth proportional to 1,632,480.14, 2,253,456.24 and 1,225,756.46 is: 1,692,019.69
Step by Step Solution
- Step 1: Write the proportion equation
1,632,480.14 : 2,253,456.24 = 1,225,756.46 : x - Step 2: Convert to fraction form
1,632,480.14/2,253,456.24 = 1,225,756.46/x - Step 3: Cross multiply
1,632,480.14x = 2,253,456.24 × 1,225,756.46 - Step 4: Simplify right side
1,632,480.14x = 2,762,188,543,507.31 - Step 5: Solve for x
x = 2,762,188,543,507.31/1,632,480.14 - Step 6: Final answer
x = 1,692,019.69
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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.