Home / 2,664,758.12-3,997,100.26-642,985.16

Finding the Fourth Proportional to 2,664,758.12, 3,997,100.26 and 642,985.16

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Solution

The fourth proportional to 2,664,758.12, 3,997,100.26 and 642,985.16 is: 964,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,758.12 : 3,997,100.26 = 642,985.16 : x
  2. Step 2: Convert to fraction form
    2,664,758.12/3,997,100.26 = 642,985.16/x
  3. Step 3: Cross multiply
    2,664,758.12x = 3,997,100.26 × 642,985.16
  4. Step 4: Simplify right side
    2,664,758.12x = 2,570,076,150,212.14
  5. Step 5: Solve for x
    x = 2,570,076,150,212.14/2,664,758.12
  6. Step 6: Final answer
    x = 964,468.83

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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.