Finding the Fourth Proportional to 5,450,128.92, 8,174,921.60 and 2,038,164.66
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Solution
The fourth proportional to 5,450,128.92, 8,174,921.60 and 2,038,164.66 is: 3,057,145.35
Step by Step Solution
- Step 1: Write the proportion equation
5,450,128.92 : 8,174,921.60 = 2,038,164.66 : x - Step 2: Convert to fraction form
5,450,128.92/8,174,921.60 = 2,038,164.66/x - Step 3: Cross multiply
5,450,128.92x = 8,174,921.60 × 2,038,164.66 - Step 4: Simplify right side
5,450,128.92x = 16,661,836,303,390.65 - Step 5: Solve for x
x = 16,661,836,303,390.65/5,450,128.92 - Step 6: Final answer
x = 3,057,145.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.