Home / 1,908,889.20-2,863,184.85-1,109,660.94

Finding the Fourth Proportional to 1,908,889.20, 2,863,184.85 and 1,109,660.94

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Solution

The fourth proportional to 1,908,889.20, 2,863,184.85 and 1,109,660.94 is: 1,664,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,889.20 : 2,863,184.85 = 1,109,660.94 : x
  2. Step 2: Convert to fraction form
    1,908,889.20/2,863,184.85 = 1,109,660.94/x
  3. Step 3: Cross multiply
    1,908,889.20x = 2,863,184.85 × 1,109,660.94
  4. Step 4: Simplify right side
    1,908,889.20x = 3,177,164,392,044.76
  5. Step 5: Solve for x
    x = 3,177,164,392,044.76/1,908,889.20
  6. Step 6: Final answer
    x = 1,664,404.82

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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.