Home / 3,928,819.60-5,893,229.40-3,298,445.20

Finding the Fourth Proportional to 3,928,819.60, 5,893,229.40 and 3,298,445.20

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Solution

The fourth proportional to 3,928,819.60, 5,893,229.40 and 3,298,445.20 is: 4,947,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,819.60 : 5,893,229.40 = 3,298,445.20 : x
  2. Step 2: Convert to fraction form
    3,928,819.60/5,893,229.40 = 3,298,445.20/x
  3. Step 3: Cross multiply
    3,928,819.60x = 5,893,229.40 × 3,298,445.20
  4. Step 4: Simplify right side
    3,928,819.60x = 19,438,494,226,928.88
  5. Step 5: Solve for x
    x = 19,438,494,226,928.88/3,928,819.60
  6. Step 6: Final answer
    x = 4,947,667.80

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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.