Finding the Fourth Proportional to 2,726,502.56, 4,089,310.75 and 1,287,183.18
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Solution
The fourth proportional to 2,726,502.56, 4,089,310.75 and 1,287,183.18 is: 1,930,565.59
Step by Step Solution
- Step 1: Write the proportion equation
2,726,502.56 : 4,089,310.75 = 1,287,183.18 : x - Step 2: Convert to fraction form
2,726,502.56/4,089,310.75 = 1,287,183.18/x - Step 3: Cross multiply
2,726,502.56x = 4,089,310.75 × 1,287,183.18 - Step 4: Simplify right side
2,726,502.56x = 5,263,692,032,137.08 - Step 5: Solve for x
x = 5,263,692,032,137.08/2,726,502.56 - Step 6: Final answer
x = 1,930,565.59
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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.