Home / 1,855,603.20-2,783,404.80-1,225,228.80

Finding the Fourth Proportional to 1,855,603.20, 2,783,404.80 and 1,225,228.80

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Solution

The fourth proportional to 1,855,603.20, 2,783,404.80 and 1,225,228.80 is: 1,837,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,603.20 : 2,783,404.80 = 1,225,228.80 : x
  2. Step 2: Convert to fraction form
    1,855,603.20/2,783,404.80 = 1,225,228.80/x
  3. Step 3: Cross multiply
    1,855,603.20x = 2,783,404.80 × 1,225,228.80
  4. Step 4: Simplify right side
    1,855,603.20x = 3,410,307,723,018.24
  5. Step 5: Solve for x
    x = 3,410,307,723,018.24/1,855,603.20
  6. Step 6: Final answer
    x = 1,837,843.20

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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.