Home / 3,208,134.90-4,812,809.28-1,289,195.49

Finding the Fourth Proportional to 3,208,134.90, 4,812,809.28 and 1,289,195.49

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Solution

The fourth proportional to 3,208,134.90, 4,812,809.28 and 1,289,195.49 is: 1,934,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,134.90 : 4,812,809.28 = 1,289,195.49 : x
  2. Step 2: Convert to fraction form
    3,208,134.90/4,812,809.28 = 1,289,195.49/x
  3. Step 3: Cross multiply
    3,208,134.90x = 4,812,809.28 × 1,289,195.49
  4. Step 4: Simplify right side
    3,208,134.90x = 6,204,652,022,410.66
  5. Step 5: Solve for x
    x = 6,204,652,022,410.66/3,208,134.90
  6. Step 6: Final answer
    x = 1,934,037.13

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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.