Finding the Fourth Proportional to 3,248,795.35, 4,481,930.26 and 1,958,919.15
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Solution
The fourth proportional to 3,248,795.35, 4,481,930.26 and 1,958,919.15 is: 2,702,459.86
Step by Step Solution
- Step 1: Write the proportion equation
3,248,795.35 : 4,481,930.26 = 1,958,919.15 : x - Step 2: Convert to fraction form
3,248,795.35/4,481,930.26 = 1,958,919.15/x - Step 3: Cross multiply
3,248,795.35x = 4,481,930.26 × 1,958,919.15 - Step 4: Simplify right side
3,248,795.35x = 8,779,739,015,278.48 - Step 5: Solve for x
x = 8,779,739,015,278.48/3,248,795.35 - Step 6: Final answer
x = 2,702,459.86
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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.