Finding the Fourth Proportional to 5,405,763.12, 7,459,853.36 and 2,958,324.83
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Solution
The fourth proportional to 5,405,763.12, 7,459,853.36 and 2,958,324.83 is: 4,082,433.68
Step by Step Solution
- Step 1: Write the proportion equation
5,405,763.12 : 7,459,853.36 = 2,958,324.83 : x - Step 2: Convert to fraction form
5,405,763.12/7,459,853.36 = 2,958,324.83/x - Step 3: Cross multiply
5,405,763.12x = 7,459,853.36 × 2,958,324.83 - Step 4: Simplify right side
5,405,763.12x = 22,068,669,398,930.49 - Step 5: Solve for x
x = 22,068,669,398,930.49/5,405,763.12 - Step 6: Final answer
x = 4,082,433.68
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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.