Home / 5,641,854.21-8,463,371.81-1,855,632.33

Finding the Fourth Proportional to 5,641,854.21, 8,463,371.81 and 1,855,632.33

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Solution

The fourth proportional to 5,641,854.21, 8,463,371.81 and 1,855,632.33 is: 2,783,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,854.21 : 8,463,371.81 = 1,855,632.33 : x
  2. Step 2: Convert to fraction form
    5,641,854.21/8,463,371.81 = 1,855,632.33/x
  3. Step 3: Cross multiply
    5,641,854.21x = 8,463,371.81 × 1,855,632.33
  4. Step 4: Simplify right side
    5,641,854.21x = 15,704,906,342,168.46
  5. Step 5: Solve for x
    x = 15,704,906,342,168.46/5,641,854.21
  6. Step 6: Final answer
    x = 2,783,642.71

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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.