Home / 2,122,115.04-2,928,556.08-1,155,273.12

Finding the Fourth Proportional to 2,122,115.04, 2,928,556.08 and 1,155,273.12

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Solution

The fourth proportional to 2,122,115.04, 2,928,556.08 and 1,155,273.12 is: 1,594,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,115.04 : 2,928,556.08 = 1,155,273.12 : x
  2. Step 2: Convert to fraction form
    2,122,115.04/2,928,556.08 = 1,155,273.12/x
  3. Step 3: Cross multiply
    2,122,115.04x = 2,928,556.08 × 1,155,273.12
  4. Step 4: Simplify right side
    2,122,115.04x = 3,383,282,119,636.57
  5. Step 5: Solve for x
    x = 3,383,282,119,636.57/2,122,115.04
  6. Step 6: Final answer
    x = 1,594,297.23

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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.