Home / 3,818,930.36-5,727,967.86-979,109.24

Finding the Fourth Proportional to 3,818,930.36, 5,727,967.86 and 979,109.24

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Solution

The fourth proportional to 3,818,930.36, 5,727,967.86 and 979,109.24 is: 1,468,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,930.36 : 5,727,967.86 = 979,109.24 : x
  2. Step 2: Convert to fraction form
    3,818,930.36/5,727,967.86 = 979,109.24/x
  3. Step 3: Cross multiply
    3,818,930.36x = 5,727,967.86 × 979,109.24
  4. Step 4: Simplify right side
    3,818,930.36x = 5,608,306,258,149.03
  5. Step 5: Solve for x
    x = 5,608,306,258,149.03/3,818,930.36
  6. Step 6: Final answer
    x = 1,468,554.21

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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.