Finding the Fourth Proportional to 5,339,507.94, 7,368,138.42 and 3,134,460.29
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Solution
The fourth proportional to 5,339,507.94, 7,368,138.42 and 3,134,460.29 is: 4,325,330.64
Step by Step Solution
- Step 1: Write the proportion equation
5,339,507.94 : 7,368,138.42 = 3,134,460.29 : x - Step 2: Convert to fraction form
5,339,507.94/7,368,138.42 = 3,134,460.29/x - Step 3: Cross multiply
5,339,507.94x = 7,368,138.42 × 3,134,460.29 - Step 4: Simplify right side
5,339,507.94x = 23,095,137,257,902.75 - Step 5: Solve for x
x = 23,095,137,257,902.75/5,339,507.94 - Step 6: Final answer
x = 4,325,330.64
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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.