Home / 4,263,139.80-6,394,709.70-4,238,256.60

Finding the Fourth Proportional to 4,263,139.80, 6,394,709.70 and 4,238,256.60

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Solution

The fourth proportional to 4,263,139.80, 6,394,709.70 and 4,238,256.60 is: 6,357,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263,139.80 : 6,394,709.70 = 4,238,256.60 : x
  2. Step 2: Convert to fraction form
    4,263,139.80/6,394,709.70 = 4,238,256.60/x
  3. Step 3: Cross multiply
    4,263,139.80x = 6,394,709.70 × 4,238,256.60
  4. Step 4: Simplify right side
    4,263,139.80x = 27,102,420,591,109.02
  5. Step 5: Solve for x
    x = 27,102,420,591,109.02/4,263,139.80
  6. Step 6: Final answer
    x = 6,357,384.90

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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.