Finding the Fourth Proportional to 3,339,769.62, 4,608,890.99 and 1,811,876.75
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Solution
The fourth proportional to 3,339,769.62, 4,608,890.99 and 1,811,876.75 is: 2,500,394.75
Step by Step Solution
- Step 1: Write the proportion equation
3,339,769.62 : 4,608,890.99 = 1,811,876.75 : x - Step 2: Convert to fraction form
3,339,769.62/4,608,890.99 = 1,811,876.75/x - Step 3: Cross multiply
3,339,769.62x = 4,608,890.99 × 1,811,876.75 - Step 4: Simplify right side
3,339,769.62x = 8,350,742,420,039.52 - Step 5: Solve for x
x = 8,350,742,420,039.52/3,339,769.62 - Step 6: Final answer
x = 2,500,394.75
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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.