Finding the Fourth Proportional to 6,186,399.38, 9,280,231.07 and 2,142,879.68
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Solution
The fourth proportional to 6,186,399.38, 9,280,231.07 and 2,142,879.68 is: 3,214,538.44
Step by Step Solution
- Step 1: Write the proportion equation
6,186,399.38 : 9,280,231.07 = 2,142,879.68 : x - Step 2: Convert to fraction form
6,186,399.38/9,280,231.07 = 2,142,879.68/x - Step 3: Cross multiply
6,186,399.38x = 9,280,231.07 × 2,142,879.68 - Step 4: Simplify right side
6,186,399.38x = 19,886,418,585,607.66 - Step 5: Solve for x
x = 19,886,418,585,607.66/6,186,399.38 - Step 6: Final answer
x = 3,214,538.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.