Home / 2,260,257.72-3,118,617.90-1,280,205.24

Finding the Fourth Proportional to 2,260,257.72, 3,118,617.90 and 1,280,205.24

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Solution

The fourth proportional to 2,260,257.72, 3,118,617.90 and 1,280,205.24 is: 1,766,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260,257.72 : 3,118,617.90 = 1,280,205.24 : x
  2. Step 2: Convert to fraction form
    2,260,257.72/3,118,617.90 = 1,280,205.24/x
  3. Step 3: Cross multiply
    2,260,257.72x = 3,118,617.90 × 1,280,205.24
  4. Step 4: Simplify right side
    2,260,257.72x = 3,992,470,977,137.80
  5. Step 5: Solve for x
    x = 3,992,470,977,137.80/2,260,257.72
  6. Step 6: Final answer
    x = 1,766,378.65

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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.