Finding the Fourth Proportional to 5,432,593.10, 8,145,937.20 and 2,238,042.20
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Solution
The fourth proportional to 5,432,593.10, 8,145,937.20 and 2,238,042.20 is: 3,355,846.99
Step by Step Solution
- Step 1: Write the proportion equation
5,432,593.10 : 8,145,937.20 = 2,238,042.20 : x - Step 2: Convert to fraction form
5,432,593.10/8,145,937.20 = 2,238,042.20/x - Step 3: Cross multiply
5,432,593.10x = 8,145,937.20 × 2,238,042.20 - Step 4: Simplify right side
5,432,593.10x = 18,230,951,212,149.84 - Step 5: Solve for x
x = 18,230,951,212,149.84/5,432,593.10 - Step 6: Final answer
x = 3,355,846.99
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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.