Finding the Fourth Proportional to 1,691,310.98, 2,536,720.44 and 492,911.53
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Solution
The fourth proportional to 1,691,310.98, 2,536,720.44 and 492,911.53 is: 739,295.59
Step by Step Solution
- Step 1: Write the proportion equation
1,691,310.98 : 2,536,720.44 = 492,911.53 : x - Step 2: Convert to fraction form
1,691,310.98/2,536,720.44 = 492,911.53/x - Step 3: Cross multiply
1,691,310.98x = 2,536,720.44 × 492,911.53 - Step 4: Simplify right side
1,691,310.98x = 1,250,378,745,072.45 - Step 5: Solve for x
x = 1,250,378,745,072.45/1,691,310.98 - Step 6: Final answer
x = 739,295.59
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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.