Home / 2,580,736.95-3,870,855.29-783,636.22

Finding the Fourth Proportional to 2,580,736.95, 3,870,855.29 and 783,636.22

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Solution

The fourth proportional to 2,580,736.95, 3,870,855.29 and 783,636.22 is: 1,175,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,736.95 : 3,870,855.29 = 783,636.22 : x
  2. Step 2: Convert to fraction form
    2,580,736.95/3,870,855.29 = 783,636.22/x
  3. Step 3: Cross multiply
    2,580,736.95x = 3,870,855.29 × 783,636.22
  4. Step 4: Simplify right side
    2,580,736.95x = 3,033,342,394,027.28
  5. Step 5: Solve for x
    x = 3,033,342,394,027.28/2,580,736.95
  6. Step 6: Final answer
    x = 1,175,378.37

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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.