Finding the Fourth Proportional to 4,245,423.23, 5,858,659.12 and 2,311,679.05
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Solution
The fourth proportional to 4,245,423.23, 5,858,659.12 and 2,311,679.05 is: 3,190,103.50
Step by Step Solution
- Step 1: Write the proportion equation
4,245,423.23 : 5,858,659.12 = 2,311,679.05 : x - Step 2: Convert to fraction form
4,245,423.23/5,858,659.12 = 2,311,679.05/x - Step 3: Cross multiply
4,245,423.23x = 5,858,659.12 × 2,311,679.05 - Step 4: Simplify right side
4,245,423.23x = 13,543,339,507,943.75 - Step 5: Solve for x
x = 13,543,339,507,943.75/4,245,423.23 - Step 6: Final answer
x = 3,190,103.50
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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.