Home / 3,216,983.20-4,825,321.20-1,086,858.40

Finding the Fourth Proportional to 3,216,983.20, 4,825,321.20 and 1,086,858.40

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Solution

The fourth proportional to 3,216,983.20, 4,825,321.20 and 1,086,858.40 is: 1,630,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,983.20 : 4,825,321.20 = 1,086,858.40 : x
  2. Step 2: Convert to fraction form
    3,216,983.20/4,825,321.20 = 1,086,858.40/x
  3. Step 3: Cross multiply
    3,216,983.20x = 4,825,321.20 × 1,086,858.40
  4. Step 4: Simplify right side
    3,216,983.20x = 5,244,440,878,918.08
  5. Step 5: Solve for x
    x = 5,244,440,878,918.08/3,216,983.20
  6. Step 6: Final answer
    x = 1,630,235.71

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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.