Home / 3,430,992.80-5,146,489.20-906,903.20

Finding the Fourth Proportional to 3,430,992.80, 5,146,489.20 and 906,903.20

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Solution

The fourth proportional to 3,430,992.80, 5,146,489.20 and 906,903.20 is: 1,360,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,992.80 : 5,146,489.20 = 906,903.20 : x
  2. Step 2: Convert to fraction form
    3,430,992.80/5,146,489.20 = 906,903.20/x
  3. Step 3: Cross multiply
    3,430,992.80x = 5,146,489.20 × 906,903.20
  4. Step 4: Simplify right side
    3,430,992.80x = 4,667,367,524,245.44
  5. Step 5: Solve for x
    x = 4,667,367,524,245.44/3,430,992.80
  6. Step 6: Final answer
    x = 1,360,354.80

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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.