Finding the Fourth Proportional to 3,447,027.42, 5,170,895.10 and 1,318,901.46
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Solution
The fourth proportional to 3,447,027.42, 5,170,895.10 and 1,318,901.46 is: 1,978,487.63
Step by Step Solution
- Step 1: Write the proportion equation
3,447,027.42 : 5,170,895.10 = 1,318,901.46 : x - Step 2: Convert to fraction form
3,447,027.42/5,170,895.10 = 1,318,901.46/x - Step 3: Cross multiply
3,447,027.42x = 5,170,895.10 × 1,318,901.46 - Step 4: Simplify right side
3,447,027.42x = 6,819,901,096,896.85 - Step 5: Solve for x
x = 6,819,901,096,896.85/3,447,027.42 - Step 6: Final answer
x = 1,978,487.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.