Home / 3,228,976.72-4,455,967.14-1,778,638.54

Finding the Fourth Proportional to 3,228,976.72, 4,455,967.14 and 1,778,638.54

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Solution

The fourth proportional to 3,228,976.72, 4,455,967.14 and 1,778,638.54 is: 2,454,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,976.72 : 4,455,967.14 = 1,778,638.54 : x
  2. Step 2: Convert to fraction form
    3,228,976.72/4,455,967.14 = 1,778,638.54/x
  3. Step 3: Cross multiply
    3,228,976.72x = 4,455,967.14 × 1,778,638.54
  4. Step 4: Simplify right side
    3,228,976.72x = 7,925,554,888,177.58
  5. Step 5: Solve for x
    x = 7,925,554,888,177.58/3,228,976.72
  6. Step 6: Final answer
    x = 2,454,509.76

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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.