Home / 1,789,801.78-2,683,631.78-1,214,132.46

Finding the Fourth Proportional to 1,789,801.78, 2,683,631.78 and 1,214,132.46

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Solution

The fourth proportional to 1,789,801.78, 2,683,631.78 and 1,214,132.46 is: 1,820,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,801.78 : 2,683,631.78 = 1,214,132.46 : x
  2. Step 2: Convert to fraction form
    1,789,801.78/2,683,631.78 = 1,214,132.46/x
  3. Step 3: Cross multiply
    1,789,801.78x = 2,683,631.78 × 1,214,132.46
  4. Step 4: Simplify right side
    1,789,801.78x = 3,258,284,454,785.58
  5. Step 5: Solve for x
    x = 3,258,284,454,785.58/1,789,801.78
  6. Step 6: Final answer
    x = 1,820,472.24

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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.