Home / 2,826,905.40-4,238,746.74-1,929,433.56

Finding the Fourth Proportional to 2,826,905.40, 4,238,746.74 and 1,929,433.56

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Solution

The fourth proportional to 2,826,905.40, 4,238,746.74 and 1,929,433.56 is: 2,893,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,905.40 : 4,238,746.74 = 1,929,433.56 : x
  2. Step 2: Convert to fraction form
    2,826,905.40/4,238,746.74 = 1,929,433.56/x
  3. Step 3: Cross multiply
    2,826,905.40x = 4,238,746.74 × 1,929,433.56
  4. Step 4: Simplify right side
    2,826,905.40x = 8,178,380,212,496.60
  5. Step 5: Solve for x
    x = 8,178,380,212,496.60/2,826,905.40
  6. Step 6: Final answer
    x = 2,893,050.55

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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.