Home / 2,289,906.90-3,438,250.20-1,281,043.80

Finding the Fourth Proportional to 2,289,906.90, 3,438,250.20 and 1,281,043.80

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Solution

The fourth proportional to 2,289,906.90, 3,438,250.20 and 1,281,043.80 is: 1,923,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,906.90 : 3,438,250.20 = 1,281,043.80 : x
  2. Step 2: Convert to fraction form
    2,289,906.90/3,438,250.20 = 1,281,043.80/x
  3. Step 3: Cross multiply
    2,289,906.90x = 3,438,250.20 × 1,281,043.80
  4. Step 4: Simplify right side
    2,289,906.90x = 4,404,549,101,558.76
  5. Step 5: Solve for x
    x = 4,404,549,101,558.76/2,289,906.90
  6. Step 6: Final answer
    x = 1,923,462.09

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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.