Finding the Fourth Proportional to 5,479,380.73, 8,219,126.58 and 2,446,901.11
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Solution
The fourth proportional to 5,479,380.73, 8,219,126.58 and 2,446,901.11 is: 3,670,376.44
Step by Step Solution
- Step 1: Write the proportion equation
5,479,380.73 : 8,219,126.58 = 2,446,901.11 : x - Step 2: Convert to fraction form
5,479,380.73/8,219,126.58 = 2,446,901.11/x - Step 3: Cross multiply
5,479,380.73x = 8,219,126.58 × 2,446,901.11 - Step 4: Simplify right side
5,479,380.73x = 20,111,389,951,832.50 - Step 5: Solve for x
x = 20,111,389,951,832.50/5,479,380.73 - Step 6: Final answer
x = 3,670,376.44
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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.