Home / 2,155,797.19-2,974,871.64-1,238,175.73

Finding the Fourth Proportional to 2,155,797.19, 2,974,871.64 and 1,238,175.73

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Solution

The fourth proportional to 2,155,797.19, 2,974,871.64 and 1,238,175.73 is: 1,708,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,797.19 : 2,974,871.64 = 1,238,175.73 : x
  2. Step 2: Convert to fraction form
    2,155,797.19/2,974,871.64 = 1,238,175.73/x
  3. Step 3: Cross multiply
    2,155,797.19x = 2,974,871.64 × 1,238,175.73
  4. Step 4: Simplify right side
    2,155,797.19x = 3,683,413,864,513.30
  5. Step 5: Solve for x
    x = 3,683,413,864,513.30/2,155,797.19
  6. Step 6: Final answer
    x = 1,708,608.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.