Finding the Fourth Proportional to 3,841,129.50, 5,300,971.26 and 2,122,213.08
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Solution
The fourth proportional to 3,841,129.50, 5,300,971.26 and 2,122,213.08 is: 2,928,771.48
Step by Step Solution
- Step 1: Write the proportion equation
3,841,129.50 : 5,300,971.26 = 2,122,213.08 : x - Step 2: Convert to fraction form
3,841,129.50/5,300,971.26 = 2,122,213.08/x - Step 3: Cross multiply
3,841,129.50x = 5,300,971.26 × 2,122,213.08 - Step 4: Simplify right side
3,841,129.50x = 11,249,790,544,676.08 - Step 5: Solve for x
x = 11,249,790,544,676.08/3,841,129.50 - Step 6: Final answer
x = 2,928,771.48
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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.