Home / 2,100,698.80-3,152,603.40-839,431.60

Finding the Fourth Proportional to 2,100,698.80, 3,152,603.40 and 839,431.60

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Solution

The fourth proportional to 2,100,698.80, 3,152,603.40 and 839,431.60 is: 1,259,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,698.80 : 3,152,603.40 = 839,431.60 : x
  2. Step 2: Convert to fraction form
    2,100,698.80/3,152,603.40 = 839,431.60/x
  3. Step 3: Cross multiply
    2,100,698.80x = 3,152,603.40 × 839,431.60
  4. Step 4: Simplify right side
    2,100,698.80x = 2,646,394,916,227.44
  5. Step 5: Solve for x
    x = 2,646,394,916,227.44/2,100,698.80
  6. Step 6: Final answer
    x = 1,259,768.85

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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.