Home / 3,120,272.80-4,673,410.80-2,560,400.80

Finding the Fourth Proportional to 3,120,272.80, 4,673,410.80 and 2,560,400.80

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Solution

The fourth proportional to 3,120,272.80, 4,673,410.80 and 2,560,400.80 is: 3,834,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,272.80 : 4,673,410.80 = 2,560,400.80 : x
  2. Step 2: Convert to fraction form
    3,120,272.80/4,673,410.80 = 2,560,400.80/x
  3. Step 3: Cross multiply
    3,120,272.80x = 4,673,410.80 × 2,560,400.80
  4. Step 4: Simplify right side
    3,120,272.80x = 11,965,804,751,048.64
  5. Step 5: Solve for x
    x = 11,965,804,751,048.64/3,120,272.80
  6. Step 6: Final answer
    x = 3,834,858.53

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1.5x scale

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.