Finding the Fourth Proportional to 6,928,679.30, 10,392,350.99 and 2,135,081.48
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Solution
The fourth proportional to 6,928,679.30, 10,392,350.99 and 2,135,081.48 is: 3,202,416.38
Step by Step Solution
- Step 1: Write the proportion equation
6,928,679.30 : 10,392,350.99 = 2,135,081.48 : x - Step 2: Convert to fraction form
6,928,679.30/10,392,350.99 = 2,135,081.48/x - Step 3: Cross multiply
6,928,679.30x = 10,392,350.99 × 2,135,081.48 - Step 4: Simplify right side
6,928,679.30x = 22,188,516,080,446.91 - Step 5: Solve for x
x = 22,188,516,080,446.91/6,928,679.30 - Step 6: Final answer
x = 3,202,416.38
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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.