Finding the Fourth Proportional to 4,099,893.21, 6,149,861.69 and 2,688,884.55
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Solution
The fourth proportional to 4,099,893.21, 6,149,861.69 and 2,688,884.55 is: 4,033,341.17
Step by Step Solution
- Step 1: Write the proportion equation
4,099,893.21 : 6,149,861.69 = 2,688,884.55 : x - Step 2: Convert to fraction form
4,099,893.21/6,149,861.69 = 2,688,884.55/x - Step 3: Cross multiply
4,099,893.21x = 6,149,861.69 × 2,688,884.55 - Step 4: Simplify right side
4,099,893.21x = 16,536,268,069,433.46 - Step 5: Solve for x
x = 16,536,268,069,433.46/4,099,893.21 - Step 6: Final answer
x = 4,033,341.17
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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.