Finding the Fourth Proportional to 5,028,153.63, 7,542,299.64 and 1,433,920.96
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Solution
The fourth proportional to 5,028,153.63, 7,542,299.64 and 1,433,920.96 is: 2,150,901.17
Step by Step Solution
- Step 1: Write the proportion equation
5,028,153.63 : 7,542,299.64 = 1,433,920.96 : x - Step 2: Convert to fraction form
5,028,153.63/7,542,299.64 = 1,433,920.96/x - Step 3: Cross multiply
5,028,153.63x = 7,542,299.64 × 1,433,920.96 - Step 4: Simplify right side
5,028,153.63x = 10,815,061,540,396.45 - Step 5: Solve for x
x = 10,815,061,540,396.45/5,028,153.63 - Step 6: Final answer
x = 2,150,901.17
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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.