Finding the Fourth Proportional to 5,903,930.37, 8,147,438.69 and 3,423,631.80
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Solution
The fourth proportional to 5,903,930.37, 8,147,438.69 and 3,423,631.80 is: 4,724,620.45
Step by Step Solution
- Step 1: Write the proportion equation
5,903,930.37 : 8,147,438.69 = 3,423,631.80 : x - Step 2: Convert to fraction form
5,903,930.37/8,147,438.69 = 3,423,631.80/x - Step 3: Cross multiply
5,903,930.37x = 8,147,438.69 × 3,423,631.80 - Step 4: Simplify right side
5,903,930.37x = 27,893,830,170,516.18 - Step 5: Solve for x
x = 27,893,830,170,516.18/5,903,930.37 - Step 6: Final answer
x = 4,724,620.45
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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.