Home / 2,992,847.40-4,491,059.40-1,099,780.20

Finding the Fourth Proportional to 2,992,847.40, 4,491,059.40 and 1,099,780.20

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Solution

The fourth proportional to 2,992,847.40, 4,491,059.40 and 1,099,780.20 is: 1,650,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,847.40 : 4,491,059.40 = 1,099,780.20 : x
  2. Step 2: Convert to fraction form
    2,992,847.40/4,491,059.40 = 1,099,780.20/x
  3. Step 3: Cross multiply
    2,992,847.40x = 4,491,059.40 × 1,099,780.20
  4. Step 4: Simplify right side
    2,992,847.40x = 4,939,178,205,143.88
  5. Step 5: Solve for x
    x = 4,939,178,205,143.88/2,992,847.40
  6. Step 6: Final answer
    x = 1,650,327.45

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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.