Home / 2,580,737.70-3,870,856.41-783,636.97

Finding the Fourth Proportional to 2,580,737.70, 3,870,856.41 and 783,636.97

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Solution

The fourth proportional to 2,580,737.70, 3,870,856.41 and 783,636.97 is: 1,175,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,737.70 : 3,870,856.41 = 783,636.97 : x
  2. Step 2: Convert to fraction form
    2,580,737.70/3,870,856.41 = 783,636.97/x
  3. Step 3: Cross multiply
    2,580,737.70x = 3,870,856.41 × 783,636.97
  4. Step 4: Simplify right side
    2,580,737.70x = 3,033,346,178,760.34
  5. Step 5: Solve for x
    x = 3,033,346,178,760.34/2,580,737.70
  6. Step 6: Final answer
    x = 1,175,379.50

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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.