Home / 3,855,626.10-5,320,647.72-2,113,257.54

Finding the Fourth Proportional to 3,855,626.10, 5,320,647.72 and 2,113,257.54

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Solution

The fourth proportional to 3,855,626.10, 5,320,647.72 and 2,113,257.54 is: 2,916,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,626.10 : 5,320,647.72 = 2,113,257.54 : x
  2. Step 2: Convert to fraction form
    3,855,626.10/5,320,647.72 = 2,113,257.54/x
  3. Step 3: Cross multiply
    3,855,626.10x = 5,320,647.72 × 2,113,257.54
  4. Step 4: Simplify right side
    3,855,626.10x = 11,243,898,911,973.81
  5. Step 5: Solve for x
    x = 11,243,898,911,973.81/3,855,626.10
  6. Step 6: Final answer
    x = 2,916,231.66

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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.