Home / 2,172,081.44-3,258,648.89-655,673.78

Finding the Fourth Proportional to 2,172,081.44, 3,258,648.89 and 655,673.78

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Solution

The fourth proportional to 2,172,081.44, 3,258,648.89 and 655,673.78 is: 983,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,081.44 : 3,258,648.89 = 655,673.78 : x
  2. Step 2: Convert to fraction form
    2,172,081.44/3,258,648.89 = 655,673.78/x
  3. Step 3: Cross multiply
    2,172,081.44x = 3,258,648.89 × 655,673.78
  4. Step 4: Simplify right side
    2,172,081.44x = 2,136,610,620,745.04
  5. Step 5: Solve for x
    x = 2,136,610,620,745.04/2,172,081.44
  6. Step 6: Final answer
    x = 983,669.67

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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.