Home / 2,826,904.40-4,238,745.24-1,929,432.56

Finding the Fourth Proportional to 2,826,904.40, 4,238,745.24 and 1,929,432.56

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Solution

The fourth proportional to 2,826,904.40, 4,238,745.24 and 1,929,432.56 is: 2,893,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,904.40 : 4,238,745.24 = 1,929,432.56 : x
  2. Step 2: Convert to fraction form
    2,826,904.40/4,238,745.24 = 1,929,432.56/x
  3. Step 3: Cross multiply
    2,826,904.40x = 4,238,745.24 × 1,929,432.56
  4. Step 4: Simplify right side
    2,826,904.40x = 8,178,373,079,601.02
  5. Step 5: Solve for x
    x = 8,178,373,079,601.02/2,826,904.40
  6. Step 6: Final answer
    x = 2,893,049.05

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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.