Finding the Fourth Proportional to 2,853,071.56, 3,934,942.92 and 2,508,170.08
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Solution
The fourth proportional to 2,853,071.56, 3,934,942.92 and 2,508,170.08 is: 3,459,256.42
Step by Step Solution
- Step 1: Write the proportion equation
2,853,071.56 : 3,934,942.92 = 2,508,170.08 : x - Step 2: Convert to fraction form
2,853,071.56/3,934,942.92 = 2,508,170.08/x - Step 3: Cross multiply
2,853,071.56x = 3,934,942.92 × 2,508,170.08 - Step 4: Simplify right side
2,853,071.56x = 9,869,506,098,451.83 - Step 5: Solve for x
x = 9,869,506,098,451.83/2,853,071.56 - Step 6: Final answer
x = 3,459,256.42
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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.