Home / 2,091,885.67-3,139,509.76-1,081,303.66

Finding the Fourth Proportional to 2,091,885.67, 3,139,509.76 and 1,081,303.66

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Solution

The fourth proportional to 2,091,885.67, 3,139,509.76 and 1,081,303.66 is: 1,622,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,885.67 : 3,139,509.76 = 1,081,303.66 : x
  2. Step 2: Convert to fraction form
    2,091,885.67/3,139,509.76 = 1,081,303.66/x
  3. Step 3: Cross multiply
    2,091,885.67x = 3,139,509.76 × 1,081,303.66
  4. Step 4: Simplify right side
    2,091,885.67x = 3,394,763,394,093.72
  5. Step 5: Solve for x
    x = 3,394,763,394,093.72/2,091,885.67
  6. Step 6: Final answer
    x = 1,622,824.54

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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.