Finding the Fourth Proportional to 6,146,078.40, 9,207,367.20 and 3,305,246.40
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Solution
The fourth proportional to 6,146,078.40, 9,207,367.20 and 3,305,246.40 is: 4,951,550.45
Step by Step Solution
- Step 1: Write the proportion equation
6,146,078.40 : 9,207,367.20 = 3,305,246.40 : x - Step 2: Convert to fraction form
6,146,078.40/9,207,367.20 = 3,305,246.40/x - Step 3: Cross multiply
6,146,078.40x = 9,207,367.20 × 3,305,246.40 - Step 4: Simplify right side
6,146,078.40x = 30,432,617,291,278.08 - Step 5: Solve for x
x = 30,432,617,291,278.08/6,146,078.40 - Step 6: Final answer
x = 4,951,550.45
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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.