Finding the Fourth Proportional to 3,665,997.60, 5,497,684.08 and 1,269,198.60
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Solution
The fourth proportional to 3,665,997.60, 5,497,684.08 and 1,269,198.60 is: 1,903,343.56
Step by Step Solution
- Step 1: Write the proportion equation
3,665,997.60 : 5,497,684.08 = 1,269,198.60 : x - Step 2: Convert to fraction form
3,665,997.60/5,497,684.08 = 1,269,198.60/x - Step 3: Cross multiply
3,665,997.60x = 5,497,684.08 × 1,269,198.60 - Step 4: Simplify right side
3,665,997.60x = 6,977,652,937,578.29 - Step 5: Solve for x
x = 6,977,652,937,578.29/3,665,997.60 - Step 6: Final answer
x = 1,903,343.56
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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.