Finding the Fourth Proportional to 3,898,870.12, 5,848,305.18 and 2,568,863.08
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Solution
The fourth proportional to 3,898,870.12, 5,848,305.18 and 2,568,863.08 is: 3,853,294.62
Step by Step Solution
- Step 1: Write the proportion equation
3,898,870.12 : 5,848,305.18 = 2,568,863.08 : x - Step 2: Convert to fraction form
3,898,870.12/5,848,305.18 = 2,568,863.08/x - Step 3: Cross multiply
3,898,870.12x = 5,848,305.18 × 2,568,863.08 - Step 4: Simplify right side
3,898,870.12x = 15,023,495,257,474.75 - Step 5: Solve for x
x = 15,023,495,257,474.75/3,898,870.12 - Step 6: Final answer
x = 3,853,294.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.