Home / 3,820,074.36-5,729,488.57-1,123,768.90

Finding the Fourth Proportional to 3,820,074.36, 5,729,488.57 and 1,123,768.90

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Solution

The fourth proportional to 3,820,074.36, 5,729,488.57 and 1,123,768.90 is: 1,685,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,074.36 : 5,729,488.57 = 1,123,768.90 : x
  2. Step 2: Convert to fraction form
    3,820,074.36/5,729,488.57 = 1,123,768.90/x
  3. Step 3: Cross multiply
    3,820,074.36x = 5,729,488.57 × 1,123,768.90
  4. Step 4: Simplify right side
    3,820,074.36x = 6,438,621,067,871.47
  5. Step 5: Solve for x
    x = 6,438,621,067,871.47/3,820,074.36
  6. Step 6: Final answer
    x = 1,685,470.09

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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.