Finding the Fourth Proportional to 3,229,584.36, 4,457,027.70 and 1,779,279.48
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Solution
The fourth proportional to 3,229,584.36, 4,457,027.70 and 1,779,279.48 is: 2,455,516.58
Step by Step Solution
- Step 1: Write the proportion equation
3,229,584.36 : 4,457,027.70 = 1,779,279.48 : x - Step 2: Convert to fraction form
3,229,584.36/4,457,027.70 = 1,779,279.48/x - Step 3: Cross multiply
3,229,584.36x = 4,457,027.70 × 1,779,279.48 - Step 4: Simplify right side
3,229,584.36x = 7,930,297,928,401.60 - Step 5: Solve for x
x = 7,930,297,928,401.60/3,229,584.36 - Step 6: Final answer
x = 2,455,516.58
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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.