Finding the Fourth Proportional to 5,146,866.42, 7,720,659.27 and 2,114,385.18
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Solution
The fourth proportional to 5,146,866.42, 7,720,659.27 and 2,114,385.18 is: 3,171,725.51
Step by Step Solution
- Step 1: Write the proportion equation
5,146,866.42 : 7,720,659.27 = 2,114,385.18 : x - Step 2: Convert to fraction form
5,146,866.42/7,720,659.27 = 2,114,385.18/x - Step 3: Cross multiply
5,146,866.42x = 7,720,659.27 × 2,114,385.18 - Step 4: Simplify right side
5,146,866.42x = 16,324,447,540,317.62 - Step 5: Solve for x
x = 16,324,447,540,317.62/5,146,866.42 - Step 6: Final answer
x = 3,171,725.51
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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.