Finding the Fourth Proportional to 3,581,709.80, 5,372,564.70 and 1,217,805.80
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Solution
The fourth proportional to 3,581,709.80, 5,372,564.70 and 1,217,805.80 is: 1,826,708.70
Step by Step Solution
- Step 1: Write the proportion equation
3,581,709.80 : 5,372,564.70 = 1,217,805.80 : x - Step 2: Convert to fraction form
3,581,709.80/5,372,564.70 = 1,217,805.80/x - Step 3: Cross multiply
3,581,709.80x = 5,372,564.70 × 1,217,805.80 - Step 4: Simplify right side
3,581,709.80x = 6,542,740,452,535.26 - Step 5: Solve for x
x = 6,542,740,452,535.26/3,581,709.80 - Step 6: Final answer
x = 1,826,708.70
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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.