Finding the Fourth Proportional to 3,936,810, 5,432,797.80 and 2,125,974
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Solution
The fourth proportional to 3,936,810, 5,432,797.80 and 2,125,974 is: 2,933,844.12
Step by Step Solution
- Step 1: Write the proportion equation
3,936,810 : 5,432,797.80 = 2,125,974 : x - Step 2: Convert to fraction form
3,936,810/5,432,797.80 = 2,125,974/x - Step 3: Cross multiply
3,936,810x = 5,432,797.80 × 2,125,974 - Step 4: Simplify right side
3,936,810x = 11,549,986,870,057.20 - Step 5: Solve for x
x = 11,549,986,870,057.20/3,936,810 - Step 6: Final answer
x = 2,933,844.12
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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.