Home / 2,190,785.85-3,286,180-1,433,263.73

Finding the Fourth Proportional to 2,190,785.85, 3,286,180 and 1,433,263.73

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Solution

The fourth proportional to 2,190,785.85, 3,286,180 and 1,433,263.73 is: 2,149,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,785.85 : 3,286,180 = 1,433,263.73 : x
  2. Step 2: Convert to fraction form
    2,190,785.85/3,286,180 = 1,433,263.73/x
  3. Step 3: Cross multiply
    2,190,785.85x = 3,286,180 × 1,433,263.73
  4. Step 4: Simplify right side
    2,190,785.85x = 4,709,962,604,251.40
  5. Step 5: Solve for x
    x = 4,709,962,604,251.40/2,190,785.85
  6. Step 6: Final answer
    x = 2,149,896.40

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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.