Home / 3,571,729.54-4,928,983-1,940,138.20

Finding the Fourth Proportional to 3,571,729.54, 4,928,983 and 1,940,138.20

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Solution

The fourth proportional to 3,571,729.54, 4,928,983 and 1,940,138.20 is: 2,677,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,729.54 : 4,928,983 = 1,940,138.20 : x
  2. Step 2: Convert to fraction form
    3,571,729.54/4,928,983 = 1,940,138.20/x
  3. Step 3: Cross multiply
    3,571,729.54x = 4,928,983 × 1,940,138.20
  4. Step 4: Simplify right side
    3,571,729.54x = 9,562,908,205,450.60
  5. Step 5: Solve for x
    x = 9,562,908,205,450.60/3,571,729.54
  6. Step 6: Final answer
    x = 2,677,388.67

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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.