Finding the Fourth Proportional to 6,355,189.12, 8,770,245.60 and 3,454,624.48
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Solution
The fourth proportional to 6,355,189.12, 8,770,245.60 and 3,454,624.48 is: 4,767,427.78
Step by Step Solution
- Step 1: Write the proportion equation
6,355,189.12 : 8,770,245.60 = 3,454,624.48 : x - Step 2: Convert to fraction form
6,355,189.12/8,770,245.60 = 3,454,624.48/x - Step 3: Cross multiply
6,355,189.12x = 8,770,245.60 × 3,454,624.48 - Step 4: Simplify right side
6,355,189.12x = 30,297,905,145,372.29 - Step 5: Solve for x
x = 30,297,905,145,372.29/6,355,189.12 - Step 6: Final answer
x = 4,767,427.78
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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.