Home / 2,122,091.28-2,928,889.40-1,204,406.35

Finding the Fourth Proportional to 2,122,091.28, 2,928,889.40 and 1,204,406.35

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Solution

The fourth proportional to 2,122,091.28, 2,928,889.40 and 1,204,406.35 is: 1,662,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,091.28 : 2,928,889.40 = 1,204,406.35 : x
  2. Step 2: Convert to fraction form
    2,122,091.28/2,928,889.40 = 1,204,406.35/x
  3. Step 3: Cross multiply
    2,122,091.28x = 2,928,889.40 × 1,204,406.35
  4. Step 4: Simplify right side
    2,122,091.28x = 3,527,572,978,463.43
  5. Step 5: Solve for x
    x = 3,527,572,978,463.43/2,122,091.28
  6. Step 6: Final answer
    x = 1,662,309.73

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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.