Finding the Fourth Proportional to 5,028,153.75, 7,542,299.84 and 1,433,921.09
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Solution
The fourth proportional to 5,028,153.75, 7,542,299.84 and 1,433,921.09 is: 2,150,901.36
Step by Step Solution
- Step 1: Write the proportion equation
5,028,153.75 : 7,542,299.84 = 1,433,921.09 : x - Step 2: Convert to fraction form
5,028,153.75/7,542,299.84 = 1,433,921.09/x - Step 3: Cross multiply
5,028,153.75x = 7,542,299.84 × 1,433,921.09 - Step 4: Simplify right side
5,028,153.75x = 10,815,062,762,798.52 - Step 5: Solve for x
x = 10,815,062,762,798.52/5,028,153.75 - Step 6: Final answer
x = 2,150,901.36
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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.