Finding the Fourth Proportional to 1,420,165.97, 2,131,577.56 and 701,319.38
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Solution
The fourth proportional to 1,420,165.97, 2,131,577.56 and 701,319.38 is: 1,052,635.17
Step by Step Solution
- Step 1: Write the proportion equation
1,420,165.97 : 2,131,577.56 = 701,319.38 : x - Step 2: Convert to fraction form
1,420,165.97/2,131,577.56 = 701,319.38/x - Step 3: Cross multiply
1,420,165.97x = 2,131,577.56 × 701,319.38 - Step 4: Simplify right side
1,420,165.97x = 1,494,916,645,031.14 - Step 5: Solve for x
x = 1,494,916,645,031.14/1,420,165.97 - Step 6: Final answer
x = 1,052,635.17
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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.