Finding the Fourth Proportional to 3,674,574.41, 5,511,505.22 and 1,115,811.55
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Solution
The fourth proportional to 3,674,574.41, 5,511,505.22 and 1,115,811.55 is: 1,673,609.09
Step by Step Solution
- Step 1: Write the proportion equation
3,674,574.41 : 5,511,505.22 = 1,115,811.55 : x - Step 2: Convert to fraction form
3,674,574.41/5,511,505.22 = 1,115,811.55/x - Step 3: Cross multiply
3,674,574.41x = 5,511,505.22 × 1,115,811.55 - Step 4: Simplify right side
3,674,574.41x = 6,149,801,149,224.71 - Step 5: Solve for x
x = 6,149,801,149,224.71/3,674,574.41 - Step 6: Final answer
x = 1,673,609.09
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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.