Home / 2,640,620.69-3,960,462.83-1,200,966.89

Finding the Fourth Proportional to 2,640,620.69, 3,960,462.83 and 1,200,966.89

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Solution

The fourth proportional to 2,640,620.69, 3,960,462.83 and 1,200,966.89 is: 1,801,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,620.69 : 3,960,462.83 = 1,200,966.89 : x
  2. Step 2: Convert to fraction form
    2,640,620.69/3,960,462.83 = 1,200,966.89/x
  3. Step 3: Cross multiply
    2,640,620.69x = 3,960,462.83 × 1,200,966.89
  4. Step 4: Simplify right side
    2,640,620.69x = 4,756,384,702,098.55
  5. Step 5: Solve for x
    x = 4,756,384,702,098.55/2,640,620.69
  6. Step 6: Final answer
    x = 1,801,237.38

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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.