Home / 3,120,876.99-4,682,667.78-1,100,564.46

Finding the Fourth Proportional to 3,120,876.99, 4,682,667.78 and 1,100,564.46

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Solution

The fourth proportional to 3,120,876.99, 4,682,667.78 and 1,100,564.46 is: 1,651,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,876.99 : 4,682,667.78 = 1,100,564.46 : x
  2. Step 2: Convert to fraction form
    3,120,876.99/4,682,667.78 = 1,100,564.46/x
  3. Step 3: Cross multiply
    3,120,876.99x = 4,682,667.78 × 1,100,564.46
  4. Step 4: Simplify right side
    3,120,876.99x = 5,153,577,736,655.10
  5. Step 5: Solve for x
    x = 5,153,577,736,655.10/3,120,876.99
  6. Step 6: Final answer
    x = 1,651,323.57

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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.