Home / 3,619,667.71-5,430,201.41-1,375,630.75

Finding the Fourth Proportional to 3,619,667.71, 5,430,201.41 and 1,375,630.75

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Solution

The fourth proportional to 3,619,667.71, 5,430,201.41 and 1,375,630.75 is: 2,063,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,667.71 : 5,430,201.41 = 1,375,630.75 : x
  2. Step 2: Convert to fraction form
    3,619,667.71/5,430,201.41 = 1,375,630.75/x
  3. Step 3: Cross multiply
    3,619,667.71x = 5,430,201.41 × 1,375,630.75
  4. Step 4: Simplify right side
    3,619,667.71x = 7,469,952,038,289.36
  5. Step 5: Solve for x
    x = 7,469,952,038,289.36/3,619,667.71
  6. Step 6: Final answer
    x = 2,063,712.10

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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.