Finding the Fourth Proportional to 1,675,379.76, 2,512,654.42 and 477,312.44
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Solution
The fourth proportional to 1,675,379.76, 2,512,654.42 and 477,312.44 is: 715,850.36
Step by Step Solution
- Step 1: Write the proportion equation
1,675,379.76 : 2,512,654.42 = 477,312.44 : x - Step 2: Convert to fraction form
1,675,379.76/2,512,654.42 = 477,312.44/x - Step 3: Cross multiply
1,675,379.76x = 2,512,654.42 × 477,312.44 - Step 4: Simplify right side
1,675,379.76x = 1,199,321,212,086.98 - Step 5: Solve for x
x = 1,199,321,212,086.98/1,675,379.76 - Step 6: Final answer
x = 715,850.36
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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.