Home / 2,664,759.12-3,997,101.76-642,986.16

Finding the Fourth Proportional to 2,664,759.12, 3,997,101.76 and 642,986.16

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Solution

The fourth proportional to 2,664,759.12, 3,997,101.76 and 642,986.16 is: 964,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,759.12 : 3,997,101.76 = 642,986.16 : x
  2. Step 2: Convert to fraction form
    2,664,759.12/3,997,101.76 = 642,986.16/x
  3. Step 3: Cross multiply
    2,664,759.12x = 3,997,101.76 × 642,986.16
  4. Step 4: Simplify right side
    2,664,759.12x = 2,570,081,111,791.64
  5. Step 5: Solve for x
    x = 2,570,081,111,791.64/2,664,759.12
  6. Step 6: Final answer
    x = 964,470.33

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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.