Home / 5,147,382.69-7,103,396.55-2,855,543.40

Finding the Fourth Proportional to 5,147,382.69, 7,103,396.55 and 2,855,543.40

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Solution

The fourth proportional to 5,147,382.69, 7,103,396.55 and 2,855,543.40 is: 3,940,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,382.69 : 7,103,396.55 = 2,855,543.40 : x
  2. Step 2: Convert to fraction form
    5,147,382.69/7,103,396.55 = 2,855,543.40/x
  3. Step 3: Cross multiply
    5,147,382.69x = 7,103,396.55 × 2,855,543.40
  4. Step 4: Simplify right side
    5,147,382.69x = 20,284,057,135,935.27
  5. Step 5: Solve for x
    x = 20,284,057,135,935.27/5,147,382.69
  6. Step 6: Final answer
    x = 3,940,654.57

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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.