Home / 1,898,288.22-2,620,860.34-1,693,987.76

Finding the Fourth Proportional to 1,898,288.22, 2,620,860.34 and 1,693,987.76

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Solution

The fourth proportional to 1,898,288.22, 2,620,860.34 and 1,693,987.76 is: 2,338,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,288.22 : 2,620,860.34 = 1,693,987.76 : x
  2. Step 2: Convert to fraction form
    1,898,288.22/2,620,860.34 = 1,693,987.76/x
  3. Step 3: Cross multiply
    1,898,288.22x = 2,620,860.34 × 1,693,987.76
  4. Step 4: Simplify right side
    1,898,288.22x = 4,439,705,336,629.44
  5. Step 5: Solve for x
    x = 4,439,705,336,629.44/1,898,288.22
  6. Step 6: Final answer
    x = 2,338,794.13

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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.