Finding the Fourth Proportional to 5,149,584.11, 7,106,516.17 and 2,826,693.96
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Solution
The fourth proportional to 5,149,584.11, 7,106,516.17 and 2,826,693.96 is: 3,900,887.11
Step by Step Solution
- Step 1: Write the proportion equation
5,149,584.11 : 7,106,516.17 = 2,826,693.96 : x - Step 2: Convert to fraction form
5,149,584.11/7,106,516.17 = 2,826,693.96/x - Step 3: Cross multiply
5,149,584.11x = 7,106,516.17 × 2,826,693.96 - Step 4: Simplify right side
5,149,584.11x = 20,087,946,300,665.16 - Step 5: Solve for x
x = 20,087,946,300,665.16/5,149,584.11 - Step 6: Final answer
x = 3,900,887.11
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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.