Home / 2,855,756.22-4,284,755.79-1,257,197.73

Finding the Fourth Proportional to 2,855,756.22, 4,284,755.79 and 1,257,197.73

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Solution

The fourth proportional to 2,855,756.22, 4,284,755.79 and 1,257,197.73 is: 1,886,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,756.22 : 4,284,755.79 = 1,257,197.73 : x
  2. Step 2: Convert to fraction form
    2,855,756.22/4,284,755.79 = 1,257,197.73/x
  3. Step 3: Cross multiply
    2,855,756.22x = 4,284,755.79 × 1,257,197.73
  4. Step 4: Simplify right side
    2,855,756.22x = 5,386,785,252,792.36
  5. Step 5: Solve for x
    x = 5,386,785,252,792.36/2,855,756.22
  6. Step 6: Final answer
    x = 1,886,290.30

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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.