Home / 3,142,078.90-4,336,072.56-1,783,951.90

Finding the Fourth Proportional to 3,142,078.90, 4,336,072.56 and 1,783,951.90

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Solution

The fourth proportional to 3,142,078.90, 4,336,072.56 and 1,783,951.90 is: 2,461,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,078.90 : 4,336,072.56 = 1,783,951.90 : x
  2. Step 2: Convert to fraction form
    3,142,078.90/4,336,072.56 = 1,783,951.90/x
  3. Step 3: Cross multiply
    3,142,078.90x = 4,336,072.56 × 1,783,951.90
  4. Step 4: Simplify right side
    3,142,078.90x = 7,735,344,871,109.68
  5. Step 5: Solve for x
    x = 7,735,344,871,109.68/3,142,078.90
  6. Step 6: Final answer
    x = 2,461,855.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.