Home / 2,620,240.92-3,928,023.90-1,022,432.40

Finding the Fourth Proportional to 2,620,240.92, 3,928,023.90 and 1,022,432.40

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Solution

The fourth proportional to 2,620,240.92, 3,928,023.90 and 1,022,432.40 is: 1,532,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,240.92 : 3,928,023.90 = 1,022,432.40 : x
  2. Step 2: Convert to fraction form
    2,620,240.92/3,928,023.90 = 1,022,432.40/x
  3. Step 3: Cross multiply
    2,620,240.92x = 3,928,023.90 × 1,022,432.40
  4. Step 4: Simplify right side
    2,620,240.92x = 4,016,138,903,334.36
  5. Step 5: Solve for x
    x = 4,016,138,903,334.36/2,620,240.92
  6. Step 6: Final answer
    x = 1,532,736.50

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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.