Home / 2,115,860.40-3,173,790.60-1,796,995.80

Finding the Fourth Proportional to 2,115,860.40, 3,173,790.60 and 1,796,995.80

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Solution

The fourth proportional to 2,115,860.40, 3,173,790.60 and 1,796,995.80 is: 2,695,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,860.40 : 3,173,790.60 = 1,796,995.80 : x
  2. Step 2: Convert to fraction form
    2,115,860.40/3,173,790.60 = 1,796,995.80/x
  3. Step 3: Cross multiply
    2,115,860.40x = 3,173,790.60 × 1,796,995.80
  4. Step 4: Simplify right side
    2,115,860.40x = 5,703,288,378,279.48
  5. Step 5: Solve for x
    x = 5,703,288,378,279.48/2,115,860.40
  6. Step 6: Final answer
    x = 2,695,493.70

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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.