Home / 1,856,882.50-2,785,323.78-1,225,648.68

Finding the Fourth Proportional to 1,856,882.50, 2,785,323.78 and 1,225,648.68

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Solution

The fourth proportional to 1,856,882.50, 2,785,323.78 and 1,225,648.68 is: 1,838,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,882.50 : 2,785,323.78 = 1,225,648.68 : x
  2. Step 2: Convert to fraction form
    1,856,882.50/2,785,323.78 = 1,225,648.68/x
  3. Step 3: Cross multiply
    1,856,882.50x = 2,785,323.78 × 1,225,648.68
  4. Step 4: Simplify right side
    1,856,882.50x = 3,413,828,414,329.61
  5. Step 5: Solve for x
    x = 3,413,828,414,329.61/1,856,882.50
  6. Step 6: Final answer
    x = 1,838,473.04

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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.