Finding the Fourth Proportional to 7,286,789.88, 10,928,276.73 and 2,167,840.98
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Solution
The fourth proportional to 7,286,789.88, 10,928,276.73 and 2,167,840.98 is: 3,251,193.81
Step by Step Solution
- Step 1: Write the proportion equation
7,286,789.88 : 10,928,276.73 = 2,167,840.98 : x - Step 2: Convert to fraction form
7,286,789.88/10,928,276.73 = 2,167,840.98/x - Step 3: Cross multiply
7,286,789.88x = 10,928,276.73 × 2,167,840.98 - Step 4: Simplify right side
7,286,789.88x = 23,690,766,136,074.39 - Step 5: Solve for x
x = 23,690,766,136,074.39/7,286,789.88 - Step 6: Final answer
x = 3,251,193.81
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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.