Home / 2,142,800.12-3,214,164.75-863,376.37

Finding the Fourth Proportional to 2,142,800.12, 3,214,164.75 and 863,376.37

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Solution

The fourth proportional to 2,142,800.12, 3,214,164.75 and 863,376.37 is: 1,295,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,800.12 : 3,214,164.75 = 863,376.37 : x
  2. Step 2: Convert to fraction form
    2,142,800.12/3,214,164.75 = 863,376.37/x
  3. Step 3: Cross multiply
    2,142,800.12x = 3,214,164.75 × 863,376.37
  4. Step 4: Simplify right side
    2,142,800.12x = 2,775,033,883,163.88
  5. Step 5: Solve for x
    x = 2,775,033,883,163.88/2,142,800.12
  6. Step 6: Final answer
    x = 1,295,050.27

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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.