Finding the Fourth Proportional to 5,206,030.15, 7,184,231.58 and 2,882,876.65
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Solution
The fourth proportional to 5,206,030.15, 7,184,231.58 and 2,882,876.65 is: 3,978,319.92
Step by Step Solution
- Step 1: Write the proportion equation
5,206,030.15 : 7,184,231.58 = 2,882,876.65 : x - Step 2: Convert to fraction form
5,206,030.15/7,184,231.58 = 2,882,876.65/x - Step 3: Cross multiply
5,206,030.15x = 7,184,231.58 × 2,882,876.65 - Step 4: Simplify right side
5,206,030.15x = 20,711,253,470,174.61 - Step 5: Solve for x
x = 20,711,253,470,174.61/5,206,030.15 - Step 6: Final answer
x = 3,978,319.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.