Home / 3,440,890.20-5,165,271.90-2,021,745.90

Finding the Fourth Proportional to 3,440,890.20, 5,165,271.90 and 2,021,745.90

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Solution

The fourth proportional to 3,440,890.20, 5,165,271.90 and 2,021,745.90 is: 3,034,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,890.20 : 5,165,271.90 = 2,021,745.90 : x
  2. Step 2: Convert to fraction form
    3,440,890.20/5,165,271.90 = 2,021,745.90/x
  3. Step 3: Cross multiply
    3,440,890.20x = 5,165,271.90 × 2,021,745.90
  4. Step 4: Simplify right side
    3,440,890.20x = 10,442,867,286,210.21
  5. Step 5: Solve for x
    x = 10,442,867,286,210.21/3,440,890.20
  6. Step 6: Final answer
    x = 3,034,931.86

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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.