Finding the Fourth Proportional to 3,977,684.76, 5,489,059.88 and 2,431,536
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Solution
The fourth proportional to 3,977,684.76, 5,489,059.88 and 2,431,536 is: 3,355,430.99
Step by Step Solution
- Step 1: Write the proportion equation
3,977,684.76 : 5,489,059.88 = 2,431,536 : x - Step 2: Convert to fraction form
3,977,684.76/5,489,059.88 = 2,431,536/x - Step 3: Cross multiply
3,977,684.76x = 5,489,059.88 × 2,431,536 - Step 4: Simplify right side
3,977,684.76x = 13,346,846,704,375.68 - Step 5: Solve for x
x = 13,346,846,704,375.68/3,977,684.76 - Step 6: Final answer
x = 3,355,430.99
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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.