Finding the Fourth Proportional to 3,869,939.92, 5,340,380.88 and 2,127,596.62
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Solution
The fourth proportional to 3,869,939.92, 5,340,380.88 and 2,127,596.62 is: 2,936,008.45
Step by Step Solution
- Step 1: Write the proportion equation
3,869,939.92 : 5,340,380.88 = 2,127,596.62 : x - Step 2: Convert to fraction form
3,869,939.92/5,340,380.88 = 2,127,596.62/x - Step 3: Cross multiply
3,869,939.92x = 5,340,380.88 × 2,127,596.62 - Step 4: Simplify right side
3,869,939.92x = 11,362,176,309,800.62 - Step 5: Solve for x
x = 11,362,176,309,800.62/3,869,939.92 - Step 6: Final answer
x = 2,936,008.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.