Finding the Fourth Proportional to 5,213,774.37, 7,193,657.75 and 3,147,156.57
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Solution
The fourth proportional to 5,213,774.37, 7,193,657.75 and 3,147,156.57 is: 4,342,260.64
Step by Step Solution
- Step 1: Write the proportion equation
5,213,774.37 : 7,193,657.75 = 3,147,156.57 : x - Step 2: Convert to fraction form
5,213,774.37/7,193,657.75 = 3,147,156.57/x - Step 3: Cross multiply
5,213,774.37x = 7,193,657.75 × 3,147,156.57 - Step 4: Simplify right side
5,213,774.37x = 22,639,567,234,508.13 - Step 5: Solve for x
x = 22,639,567,234,508.13/5,213,774.37 - Step 6: Final answer
x = 4,342,260.64
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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.