Finding the Fourth Proportional to 2,419,058.87, 3,338,234.08 and 1,372,670.65
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Solution
The fourth proportional to 2,419,058.87, 3,338,234.08 and 1,372,670.65 is: 1,894,247.39
Step by Step Solution
- Step 1: Write the proportion equation
2,419,058.87 : 3,338,234.08 = 1,372,670.65 : x - Step 2: Convert to fraction form
2,419,058.87/3,338,234.08 = 1,372,670.65/x - Step 3: Cross multiply
2,419,058.87x = 3,338,234.08 × 1,372,670.65 - Step 4: Simplify right side
2,419,058.87x = 4,582,295,944,445.75 - Step 5: Solve for x
x = 4,582,295,944,445.75/2,419,058.87 - Step 6: Final answer
x = 1,894,247.39
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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.