Home / 2,136,005.21-3,203,509.43-619,281.09

Finding the Fourth Proportional to 2,136,005.21, 3,203,509.43 and 619,281.09

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Solution

The fourth proportional to 2,136,005.21, 3,203,509.43 and 619,281.09 is: 928,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,005.21 : 3,203,509.43 = 619,281.09 : x
  2. Step 2: Convert to fraction form
    2,136,005.21/3,203,509.43 = 619,281.09/x
  3. Step 3: Cross multiply
    2,136,005.21x = 3,203,509.43 × 619,281.09
  4. Step 4: Simplify right side
    2,136,005.21x = 1,983,872,813,183.88
  5. Step 5: Solve for x
    x = 1,983,872,813,183.88/2,136,005.21
  6. Step 6: Final answer
    x = 928,777.14

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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.