Home / 2,519,791.40-3,779,687.10-922,406.60

Finding the Fourth Proportional to 2,519,791.40, 3,779,687.10 and 922,406.60

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Solution

The fourth proportional to 2,519,791.40, 3,779,687.10 and 922,406.60 is: 1,383,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,791.40 : 3,779,687.10 = 922,406.60 : x
  2. Step 2: Convert to fraction form
    2,519,791.40/3,779,687.10 = 922,406.60/x
  3. Step 3: Cross multiply
    2,519,791.40x = 3,779,687.10 × 922,406.60
  4. Step 4: Simplify right side
    2,519,791.40x = 3,486,408,326,974.86
  5. Step 5: Solve for x
    x = 3,486,408,326,974.86/2,519,791.40
  6. Step 6: Final answer
    x = 1,383,609.90

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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.