Home / 2,142,761.14-3,214,049.55-646,808.50

Finding the Fourth Proportional to 2,142,761.14, 3,214,049.55 and 646,808.50

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Solution

The fourth proportional to 2,142,761.14, 3,214,049.55 and 646,808.50 is: 970,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,761.14 : 3,214,049.55 = 646,808.50 : x
  2. Step 2: Convert to fraction form
    2,142,761.14/3,214,049.55 = 646,808.50/x
  3. Step 3: Cross multiply
    2,142,761.14x = 3,214,049.55 × 646,808.50
  4. Step 4: Simplify right side
    2,142,761.14x = 2,078,874,568,361.17
  5. Step 5: Solve for x
    x = 2,078,874,568,361.17/2,142,761.14
  6. Step 6: Final answer
    x = 970,184.93

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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.