Home / 2,109,894.12-3,164,796.54-512,464.68

Finding the Fourth Proportional to 2,109,894.12, 3,164,796.54 and 512,464.68

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Solution

The fourth proportional to 2,109,894.12, 3,164,796.54 and 512,464.68 is: 768,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,894.12 : 3,164,796.54 = 512,464.68 : x
  2. Step 2: Convert to fraction form
    2,109,894.12/3,164,796.54 = 512,464.68/x
  3. Step 3: Cross multiply
    2,109,894.12x = 3,164,796.54 × 512,464.68
  4. Step 4: Simplify right side
    2,109,894.12x = 1,621,846,446,136.21
  5. Step 5: Solve for x
    x = 1,621,846,446,136.21/2,109,894.12
  6. Step 6: Final answer
    x = 768,686.18

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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.