Home / 2,664,757.12-3,997,098.76-642,984.16

Finding the Fourth Proportional to 2,664,757.12, 3,997,098.76 and 642,984.16

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Solution

The fourth proportional to 2,664,757.12, 3,997,098.76 and 642,984.16 is: 964,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,757.12 : 3,997,098.76 = 642,984.16 : x
  2. Step 2: Convert to fraction form
    2,664,757.12/3,997,098.76 = 642,984.16/x
  3. Step 3: Cross multiply
    2,664,757.12x = 3,997,098.76 × 642,984.16
  4. Step 4: Simplify right side
    2,664,757.12x = 2,570,071,188,635.64
  5. Step 5: Solve for x
    x = 2,570,071,188,635.64/2,664,757.12
  6. Step 6: Final answer
    x = 964,467.33

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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.