Home / 2,759,961.28-4,139,704.76-1,680,193.58

Finding the Fourth Proportional to 2,759,961.28, 4,139,704.76 and 1,680,193.58

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Solution

The fourth proportional to 2,759,961.28, 4,139,704.76 and 1,680,193.58 is: 2,520,145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,961.28 : 4,139,704.76 = 1,680,193.58 : x
  2. Step 2: Convert to fraction form
    2,759,961.28/4,139,704.76 = 1,680,193.58/x
  3. Step 3: Cross multiply
    2,759,961.28x = 4,139,704.76 × 1,680,193.58
  4. Step 4: Simplify right side
    2,759,961.28x = 6,955,505,360,847.44
  5. Step 5: Solve for x
    x = 6,955,505,360,847.44/2,759,961.28
  6. Step 6: Final answer
    x = 2,520,145.99

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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.