Home / 2,289,900.90-3,438,241.20-1,281,037.80

Finding the Fourth Proportional to 2,289,900.90, 3,438,241.20 and 1,281,037.80

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Solution

The fourth proportional to 2,289,900.90, 3,438,241.20 and 1,281,037.80 is: 1,923,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,900.90 : 3,438,241.20 = 1,281,037.80 : x
  2. Step 2: Convert to fraction form
    2,289,900.90/3,438,241.20 = 1,281,037.80/x
  3. Step 3: Cross multiply
    2,289,900.90x = 3,438,241.20 × 1,281,037.80
  4. Step 4: Simplify right side
    2,289,900.90x = 4,404,516,942,717.36
  5. Step 5: Solve for x
    x = 4,404,516,942,717.36/2,289,900.90
  6. Step 6: Final answer
    x = 1,923,453.08

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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.