Home / 2,289,391.20-3,159,372.06-1,430,449.56

Finding the Fourth Proportional to 2,289,391.20, 3,159,372.06 and 1,430,449.56

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Solution

The fourth proportional to 2,289,391.20, 3,159,372.06 and 1,430,449.56 is: 1,974,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,391.20 : 3,159,372.06 = 1,430,449.56 : x
  2. Step 2: Convert to fraction form
    2,289,391.20/3,159,372.06 = 1,430,449.56/x
  3. Step 3: Cross multiply
    2,289,391.20x = 3,159,372.06 × 1,430,449.56
  4. Step 4: Simplify right side
    2,289,391.20x = 4,519,322,373,103.29
  5. Step 5: Solve for x
    x = 4,519,322,373,103.29/2,289,391.20
  6. Step 6: Final answer
    x = 1,974,028.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.