Home / 2,261,323.26-3,120,645.60-1,228,830.84

Finding the Fourth Proportional to 2,261,323.26, 3,120,645.60 and 1,228,830.84

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Solution

The fourth proportional to 2,261,323.26, 3,120,645.60 and 1,228,830.84 is: 1,695,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,323.26 : 3,120,645.60 = 1,228,830.84 : x
  2. Step 2: Convert to fraction form
    2,261,323.26/3,120,645.60 = 1,228,830.84/x
  3. Step 3: Cross multiply
    2,261,323.26x = 3,120,645.60 × 1,228,830.84
  4. Step 4: Simplify right side
    2,261,323.26x = 3,834,745,553,990.30
  5. Step 5: Solve for x
    x = 3,834,745,553,990.30/2,261,323.26
  6. Step 6: Final answer
    x = 1,695,797.16

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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.