Home / 2,800,629.88-3,865,726.01-1,639,347.76

Finding the Fourth Proportional to 2,800,629.88, 3,865,726.01 and 1,639,347.76

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Solution

The fourth proportional to 2,800,629.88, 3,865,726.01 and 1,639,347.76 is: 2,262,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,629.88 : 3,865,726.01 = 1,639,347.76 : x
  2. Step 2: Convert to fraction form
    2,800,629.88/3,865,726.01 = 1,639,347.76/x
  3. Step 3: Cross multiply
    2,800,629.88x = 3,865,726.01 × 1,639,347.76
  4. Step 4: Simplify right side
    2,800,629.88x = 6,337,269,284,197.77
  5. Step 5: Solve for x
    x = 6,337,269,284,197.77/2,800,629.88
  6. Step 6: Final answer
    x = 2,262,801.43

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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.