Home / 1,615,033.22-2,228,902.85-1,206,425.68

Finding the Fourth Proportional to 1,615,033.22, 2,228,902.85 and 1,206,425.68

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Solution

The fourth proportional to 1,615,033.22, 2,228,902.85 and 1,206,425.68 is: 1,664,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,033.22 : 2,228,902.85 = 1,206,425.68 : x
  2. Step 2: Convert to fraction form
    1,615,033.22/2,228,902.85 = 1,206,425.68/x
  3. Step 3: Cross multiply
    1,615,033.22x = 2,228,902.85 × 1,206,425.68
  4. Step 4: Simplify right side
    1,615,033.22x = 2,689,005,633,909.00
  5. Step 5: Solve for x
    x = 2,689,005,633,909.00/1,615,033.22
  6. Step 6: Final answer
    x = 1,664,984.73

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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.