Home / 3,629,429.40-5,446,217.70-1,387,176.60

Finding the Fourth Proportional to 3,629,429.40, 5,446,217.70 and 1,387,176.60

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Solution

The fourth proportional to 3,629,429.40, 5,446,217.70 and 1,387,176.60 is: 2,081,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,429.40 : 5,446,217.70 = 1,387,176.60 : x
  2. Step 2: Convert to fraction form
    3,629,429.40/5,446,217.70 = 1,387,176.60/x
  3. Step 3: Cross multiply
    3,629,429.40x = 5,446,217.70 × 1,387,176.60
  4. Step 4: Simplify right side
    3,629,429.40x = 7,554,865,751,945.82
  5. Step 5: Solve for x
    x = 7,554,865,751,945.82/3,629,429.40
  6. Step 6: Final answer
    x = 2,081,557.43

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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.