Home / 1,682,749.85-2,321,938.46-947,665.44

Finding the Fourth Proportional to 1,682,749.85, 2,321,938.46 and 947,665.44

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Solution

The fourth proportional to 1,682,749.85, 2,321,938.46 and 947,665.44 is: 1,307,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,749.85 : 2,321,938.46 = 947,665.44 : x
  2. Step 2: Convert to fraction form
    1,682,749.85/2,321,938.46 = 947,665.44/x
  3. Step 3: Cross multiply
    1,682,749.85x = 2,321,938.46 × 947,665.44
  4. Step 4: Simplify right side
    1,682,749.85x = 2,200,420,834,717.99
  5. Step 5: Solve for x
    x = 2,200,420,834,717.99/1,682,749.85
  6. Step 6: Final answer
    x = 1,307,633.95

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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.