Home / 2,122,263.20-2,928,667.92-1,155,412.64

Finding the Fourth Proportional to 2,122,263.20, 2,928,667.92 and 1,155,412.64

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Solution

The fourth proportional to 2,122,263.20, 2,928,667.92 and 1,155,412.64 is: 1,594,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,263.20 : 2,928,667.92 = 1,155,412.64 : x
  2. Step 2: Convert to fraction form
    2,122,263.20/2,928,667.92 = 1,155,412.64/x
  3. Step 3: Cross multiply
    2,122,263.20x = 2,928,667.92 × 1,155,412.64
  4. Step 4: Simplify right side
    2,122,263.20x = 3,383,819,933,130.51
  5. Step 5: Solve for x
    x = 3,383,819,933,130.51/2,122,263.20
  6. Step 6: Final answer
    x = 1,594,439.34

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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.