Finding the Fourth Proportional to 6,427,169.52, 8,869,771.12 and 3,848,357.44
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Solution
The fourth proportional to 6,427,169.52, 8,869,771.12 and 3,848,357.44 is: 5,310,899.23
Step by Step Solution
- Step 1: Write the proportion equation
6,427,169.52 : 8,869,771.12 = 3,848,357.44 : x - Step 2: Convert to fraction form
6,427,169.52/8,869,771.12 = 3,848,357.44/x - Step 3: Cross multiply
6,427,169.52x = 8,869,771.12 × 3,848,357.44 - Step 4: Simplify right side
6,427,169.52x = 34,134,049,680,749.13 - Step 5: Solve for x
x = 34,134,049,680,749.13/6,427,169.52 - Step 6: Final answer
x = 5,310,899.23
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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.