Finding the Fourth Proportional to 4,471,815.24, 6,707,725.13 and 1,439,180.70
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Solution
The fourth proportional to 4,471,815.24, 6,707,725.13 and 1,439,180.70 is: 2,158,771.78
Step by Step Solution
- Step 1: Write the proportion equation
4,471,815.24 : 6,707,725.13 = 1,439,180.70 : x - Step 2: Convert to fraction form
4,471,815.24/6,707,725.13 = 1,439,180.70/x - Step 3: Cross multiply
4,471,815.24x = 6,707,725.13 × 1,439,180.70 - Step 4: Simplify right side
4,471,815.24x = 9,653,628,540,805.09 - Step 5: Solve for x
x = 9,653,628,540,805.09/4,471,815.24 - Step 6: Final answer
x = 2,158,771.78
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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.