Home / 2,289,900.40-3,438,240.45-1,281,037.30

Finding the Fourth Proportional to 2,289,900.40, 3,438,240.45 and 1,281,037.30

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Solution

The fourth proportional to 2,289,900.40, 3,438,240.45 and 1,281,037.30 is: 1,923,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,900.40 : 3,438,240.45 = 1,281,037.30 : x
  2. Step 2: Convert to fraction form
    2,289,900.40/3,438,240.45 = 1,281,037.30/x
  3. Step 3: Cross multiply
    2,289,900.40x = 3,438,240.45 × 1,281,037.30
  4. Step 4: Simplify right side
    2,289,900.40x = 4,404,514,262,818.79
  5. Step 5: Solve for x
    x = 4,404,514,262,818.79/2,289,900.40
  6. Step 6: Final answer
    x = 1,923,452.33

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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.