Home / 2,122,272.42-2,928,753.66-1,155,409.44

Finding the Fourth Proportional to 2,122,272.42, 2,928,753.66 and 1,155,409.44

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Solution

The fourth proportional to 2,122,272.42, 2,928,753.66 and 1,155,409.44 is: 1,594,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,272.42 : 2,928,753.66 = 1,155,409.44 : x
  2. Step 2: Convert to fraction form
    2,122,272.42/2,928,753.66 = 1,155,409.44/x
  3. Step 3: Cross multiply
    2,122,272.42x = 2,928,753.66 × 1,155,409.44
  4. Step 4: Simplify right side
    2,122,272.42x = 3,383,909,626,198.55
  5. Step 5: Solve for x
    x = 3,383,909,626,198.55/2,122,272.42
  6. Step 6: Final answer
    x = 1,594,474.67

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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.