Finding the Fourth Proportional to 6,430,592.99, 8,874,183.42 and 3,530,033.21
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Solution
The fourth proportional to 6,430,592.99, 8,874,183.42 and 3,530,033.21 is: 4,871,426.67
Step by Step Solution
- Step 1: Write the proportion equation
6,430,592.99 : 8,874,183.42 = 3,530,033.21 : x - Step 2: Convert to fraction form
6,430,592.99/8,874,183.42 = 3,530,033.21/x - Step 3: Cross multiply
6,430,592.99x = 8,874,183.42 × 3,530,033.21 - Step 4: Simplify right side
6,430,592.99x = 31,326,162,184,231.38 - Step 5: Solve for x
x = 31,326,162,184,231.38/6,430,592.99 - Step 6: Final answer
x = 4,871,426.67
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1.5x scale
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.