Finding the Fourth Proportional to 2,183,434.40, 3,277,609.20 and 1,686,999.20
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Solution
The fourth proportional to 2,183,434.40, 3,277,609.20 and 1,686,999.20 is: 2,532,397.63
Step by Step Solution
- Step 1: Write the proportion equation
2,183,434.40 : 3,277,609.20 = 1,686,999.20 : x - Step 2: Convert to fraction form
2,183,434.40/3,277,609.20 = 1,686,999.20/x - Step 3: Cross multiply
2,183,434.40x = 3,277,609.20 × 1,686,999.20 - Step 4: Simplify right side
2,183,434.40x = 5,529,324,098,312.64 - Step 5: Solve for x
x = 5,529,324,098,312.64/2,183,434.40 - Step 6: Final answer
x = 2,532,397.63
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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.