Finding the Fourth Proportional to 6,251,974.10, 9,378,220.35 and 1,992,022.10
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Solution
The fourth proportional to 6,251,974.10, 9,378,220.35 and 1,992,022.10 is: 2,988,115.74
Step by Step Solution
- Step 1: Write the proportion equation
6,251,974.10 : 9,378,220.35 = 1,992,022.10 : x - Step 2: Convert to fraction form
6,251,974.10/9,378,220.35 = 1,992,022.10/x - Step 3: Cross multiply
6,251,974.10x = 9,378,220.35 × 1,992,022.10 - Step 4: Simplify right side
6,251,974.10x = 18,681,622,195,869.73 - Step 5: Solve for x
x = 18,681,622,195,869.73/6,251,974.10 - Step 6: Final answer
x = 2,988,115.74
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1.5x scale
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.