Finding the Fourth Proportional to 4,286,371.98, 6,420,920.67 and 2,847,865.44
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Solution
The fourth proportional to 4,286,371.98, 6,420,920.67 and 2,847,865.44 is: 4,266,059.54
Step by Step Solution
- Step 1: Write the proportion equation
4,286,371.98 : 6,420,920.67 = 2,847,865.44 : x - Step 2: Convert to fraction form
4,286,371.98/6,420,920.67 = 2,847,865.44/x - Step 3: Cross multiply
4,286,371.98x = 6,420,920.67 × 2,847,865.44 - Step 4: Simplify right side
4,286,371.98x = 18,285,918,069,074.64 - Step 5: Solve for x
x = 18,285,918,069,074.64/4,286,371.98 - Step 6: Final answer
x = 4,266,059.54
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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.