Finding the Fourth Proportional to 5,667,928.61, 7,821,350.46 and 3,187,519.97
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Solution
The fourth proportional to 5,667,928.61, 7,821,350.46 and 3,187,519.97 is: 4,398,557.65
Step by Step Solution
- Step 1: Write the proportion equation
5,667,928.61 : 7,821,350.46 = 3,187,519.97 : x - Step 2: Convert to fraction form
5,667,928.61/7,821,350.46 = 3,187,519.97/x - Step 3: Cross multiply
5,667,928.61x = 7,821,350.46 × 3,187,519.97 - Step 4: Simplify right side
5,667,928.61x = 24,930,710,744,511.93 - Step 5: Solve for x
x = 24,930,710,744,511.93/5,667,928.61 - Step 6: Final answer
x = 4,398,557.65
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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.