Home / 1,772,137.10-2,658,205.65-1,646,165.90

Finding the Fourth Proportional to 1,772,137.10, 2,658,205.65 and 1,646,165.90

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Solution

The fourth proportional to 1,772,137.10, 2,658,205.65 and 1,646,165.90 is: 2,469,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,137.10 : 2,658,205.65 = 1,646,165.90 : x
  2. Step 2: Convert to fraction form
    1,772,137.10/2,658,205.65 = 1,646,165.90/x
  3. Step 3: Cross multiply
    1,772,137.10x = 2,658,205.65 × 1,646,165.90
  4. Step 4: Simplify right side
    1,772,137.10x = 4,375,847,496,217.33
  5. Step 5: Solve for x
    x = 4,375,847,496,217.33/1,772,137.10
  6. Step 6: Final answer
    x = 2,469,248.85

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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.