Home / 3,659,039.76-5,489,295.72-1,262,977.20

Finding the Fourth Proportional to 3,659,039.76, 5,489,295.72 and 1,262,977.20

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Solution

The fourth proportional to 3,659,039.76, 5,489,295.72 and 1,262,977.20 is: 1,894,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,039.76 : 5,489,295.72 = 1,262,977.20 : x
  2. Step 2: Convert to fraction form
    3,659,039.76/5,489,295.72 = 1,262,977.20/x
  3. Step 3: Cross multiply
    3,659,039.76x = 5,489,295.72 × 1,262,977.20
  4. Step 4: Simplify right side
    3,659,039.76x = 6,932,855,338,417.58
  5. Step 5: Solve for x
    x = 6,932,855,338,417.58/3,659,039.76
  6. Step 6: Final answer
    x = 1,894,719.87

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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.