Home / 2,778,695.57-3,832,820.54-2,228,730.90

Finding the Fourth Proportional to 2,778,695.57, 3,832,820.54 and 2,228,730.90

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Solution

The fourth proportional to 2,778,695.57, 3,832,820.54 and 2,228,730.90 is: 3,074,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,695.57 : 3,832,820.54 = 2,228,730.90 : x
  2. Step 2: Convert to fraction form
    2,778,695.57/3,832,820.54 = 2,228,730.90/x
  3. Step 3: Cross multiply
    2,778,695.57x = 3,832,820.54 × 2,228,730.90
  4. Step 4: Simplify right side
    2,778,695.57x = 8,542,325,560,509.03
  5. Step 5: Solve for x
    x = 8,542,325,560,509.03/2,778,695.57
  6. Step 6: Final answer
    x = 3,074,221.47

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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.