Home / 5,641,856.72-8,463,375.56-1,855,634.84

Finding the Fourth Proportional to 5,641,856.72, 8,463,375.56 and 1,855,634.84

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Solution

The fourth proportional to 5,641,856.72, 8,463,375.56 and 1,855,634.84 is: 2,783,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,856.72 : 8,463,375.56 = 1,855,634.84 : x
  2. Step 2: Convert to fraction form
    5,641,856.72/8,463,375.56 = 1,855,634.84/x
  3. Step 3: Cross multiply
    5,641,856.72x = 8,463,375.56 × 1,855,634.84
  4. Step 4: Simplify right side
    5,641,856.72x = 15,704,934,553,140.51
  5. Step 5: Solve for x
    x = 15,704,934,553,140.51/5,641,856.72
  6. Step 6: Final answer
    x = 2,783,646.47

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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.