Finding the Fourth Proportional to 2,870,850.08, 4,311,189.34 and 1,917,432.44
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Solution
The fourth proportional to 2,870,850.08, 4,311,189.34 and 1,917,432.44 is: 2,879,430.85
Step by Step Solution
- Step 1: Write the proportion equation
2,870,850.08 : 4,311,189.34 = 1,917,432.44 : x - Step 2: Convert to fraction form
2,870,850.08/4,311,189.34 = 1,917,432.44/x - Step 3: Cross multiply
2,870,850.08x = 4,311,189.34 × 1,917,432.44 - Step 4: Simplify right side
2,870,850.08x = 8,266,414,295,498.19 - Step 5: Solve for x
x = 8,266,414,295,498.19/2,870,850.08 - Step 6: Final answer
x = 2,879,430.85
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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.