Finding the Fourth Proportional to 4,795,380.23, 7,192,904.49 and 1,201,178.16
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Solution
The fourth proportional to 4,795,380.23, 7,192,904.49 and 1,201,178.16 is: 1,801,725.70
Step by Step Solution
- Step 1: Write the proportion equation
4,795,380.23 : 7,192,904.49 = 1,201,178.16 : x - Step 2: Convert to fraction form
4,795,380.23/7,192,904.49 = 1,201,178.16/x - Step 3: Cross multiply
4,795,380.23x = 7,192,904.49 × 1,201,178.16 - Step 4: Simplify right side
4,795,380.23x = 8,639,959,780,353.94 - Step 5: Solve for x
x = 8,639,959,780,353.94/4,795,380.23 - Step 6: Final answer
x = 1,801,725.70
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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.