Finding the Fourth Proportional to 3,130,207.72, 4,323,738.73 and 2,588,531.56
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Solution
The fourth proportional to 3,130,207.72, 4,323,738.73 and 2,588,531.56 is: 3,575,524.42
Step by Step Solution
- Step 1: Write the proportion equation
3,130,207.72 : 4,323,738.73 = 2,588,531.56 : x - Step 2: Convert to fraction form
3,130,207.72/4,323,738.73 = 2,588,531.56/x - Step 3: Cross multiply
3,130,207.72x = 4,323,738.73 × 2,588,531.56 - Step 4: Simplify right side
3,130,207.72x = 11,192,134,142,518.64 - Step 5: Solve for x
x = 11,192,134,142,518.64/3,130,207.72 - Step 6: Final answer
x = 3,575,524.42
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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.