Finding the Fourth Proportional to 4,157,773.56, 6,236,883.90 and 1,318,107.14
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Solution
The fourth proportional to 4,157,773.56, 6,236,883.90 and 1,318,107.14 is: 1,977,231.58
Step by Step Solution
- Step 1: Write the proportion equation
4,157,773.56 : 6,236,883.90 = 1,318,107.14 : x - Step 2: Convert to fraction form
4,157,773.56/6,236,883.90 = 1,318,107.14/x - Step 3: Cross multiply
4,157,773.56x = 6,236,883.90 × 1,318,107.14 - Step 4: Simplify right side
4,157,773.56x = 8,220,881,199,941.05 - Step 5: Solve for x
x = 8,220,881,199,941.05/4,157,773.56 - Step 6: Final answer
x = 1,977,231.58
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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.