Finding the Fourth Proportional to 2,589,020.24, 3,883,533.12 and 1,398,512.24
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Solution
The fourth proportional to 2,589,020.24, 3,883,533.12 and 1,398,512.24 is: 2,097,769.85
Step by Step Solution
- Step 1: Write the proportion equation
2,589,020.24 : 3,883,533.12 = 1,398,512.24 : x - Step 2: Convert to fraction form
2,589,020.24/3,883,533.12 = 1,398,512.24/x - Step 3: Cross multiply
2,589,020.24x = 3,883,533.12 × 1,398,512.24 - Step 4: Simplify right side
2,589,020.24x = 5,431,168,602,765.39 - Step 5: Solve for x
x = 5,431,168,602,765.39/2,589,020.24 - Step 6: Final answer
x = 2,097,769.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.