Finding the Fourth Proportional to 3,147,550.64, 4,343,620.12 and 1,789,423.68
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Solution
The fourth proportional to 3,147,550.64, 4,343,620.12 and 1,789,423.68 is: 2,469,404.81
Step by Step Solution
- Step 1: Write the proportion equation
3,147,550.64 : 4,343,620.12 = 1,789,423.68 : x - Step 2: Convert to fraction form
3,147,550.64/4,343,620.12 = 1,789,423.68/x - Step 3: Cross multiply
3,147,550.64x = 4,343,620.12 × 1,789,423.68 - Step 4: Simplify right side
3,147,550.64x = 7,772,576,699,652.44 - Step 5: Solve for x
x = 7,772,576,699,652.44/3,147,550.64 - Step 6: Final answer
x = 2,469,404.81
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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.