Home / 2,800,934.60-4,201,401.90-1,383,758.60

Finding the Fourth Proportional to 2,800,934.60, 4,201,401.90 and 1,383,758.60

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Solution

The fourth proportional to 2,800,934.60, 4,201,401.90 and 1,383,758.60 is: 2,075,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,934.60 : 4,201,401.90 = 1,383,758.60 : x
  2. Step 2: Convert to fraction form
    2,800,934.60/4,201,401.90 = 1,383,758.60/x
  3. Step 3: Cross multiply
    2,800,934.60x = 4,201,401.90 × 1,383,758.60
  4. Step 4: Simplify right side
    2,800,934.60x = 5,813,726,011,181.34
  5. Step 5: Solve for x
    x = 5,813,726,011,181.34/2,800,934.60
  6. Step 6: Final answer
    x = 2,075,637.90

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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.