Finding the Fourth Proportional to 4,211,861.26, 6,318,579.21 and 1,687,713.34
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Solution
The fourth proportional to 4,211,861.26, 6,318,579.21 and 1,687,713.34 is: 2,531,885.49
Step by Step Solution
- Step 1: Write the proportion equation
4,211,861.26 : 6,318,579.21 = 1,687,713.34 : x - Step 2: Convert to fraction form
4,211,861.26/6,318,579.21 = 1,687,713.34/x - Step 3: Cross multiply
4,211,861.26x = 6,318,579.21 × 1,687,713.34 - Step 4: Simplify right side
4,211,861.26x = 10,663,950,422,563.66 - Step 5: Solve for x
x = 10,663,950,422,563.66/4,211,861.26 - Step 6: Final answer
x = 2,531,885.49
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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.