Finding the Fourth Proportional to 6,178,801.36, 9,268,183.50 and 1,567,778.68
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Solution
The fourth proportional to 6,178,801.36, 9,268,183.50 and 1,567,778.68 is: 2,351,663.32
Step by Step Solution
- Step 1: Write the proportion equation
6,178,801.36 : 9,268,183.50 = 1,567,778.68 : x - Step 2: Convert to fraction form
6,178,801.36/9,268,183.50 = 1,567,778.68/x - Step 3: Cross multiply
6,178,801.36x = 9,268,183.50 × 1,567,778.68 - Step 4: Simplify right side
6,178,801.36x = 14,530,460,493,627.78 - Step 5: Solve for x
x = 14,530,460,493,627.78/6,178,801.36 - Step 6: Final answer
x = 2,351,663.32
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1.5x scale
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.