Finding the Fourth Proportional to 2,480,086.46, 3,422,282.91 and 1,392,108.68
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Solution
The fourth proportional to 2,480,086.46, 3,422,282.91 and 1,392,108.68 is: 1,920,977.28
Step by Step Solution
- Step 1: Write the proportion equation
2,480,086.46 : 3,422,282.91 = 1,392,108.68 : x - Step 2: Convert to fraction form
2,480,086.46/3,422,282.91 = 1,392,108.68/x - Step 3: Cross multiply
2,480,086.46x = 3,422,282.91 × 1,392,108.68 - Step 4: Simplify right side
2,480,086.46x = 4,764,189,744,426.66 - Step 5: Solve for x
x = 4,764,189,744,426.66/2,480,086.46 - Step 6: Final answer
x = 1,920,977.28
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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.