Finding the Fourth Proportional to 4,647,430.96, 6,410,865.36 and 4,318,628.20
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Solution
The fourth proportional to 4,647,430.96, 6,410,865.36 and 4,318,628.20 is: 5,957,300.75
Step by Step Solution
- Step 1: Write the proportion equation
4,647,430.96 : 6,410,865.36 = 4,318,628.20 : x - Step 2: Convert to fraction form
4,647,430.96/6,410,865.36 = 4,318,628.20/x - Step 3: Cross multiply
4,647,430.96x = 6,410,865.36 × 4,318,628.20 - Step 4: Simplify right side
4,647,430.96x = 27,686,143,930,099.16 - Step 5: Solve for x
x = 27,686,143,930,099.16/4,647,430.96 - Step 6: Final answer
x = 5,957,300.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.