Home / 2,580,787.32-3,870,930.66-783,686.34

Finding the Fourth Proportional to 2,580,787.32, 3,870,930.66 and 783,686.34

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Solution

The fourth proportional to 2,580,787.32, 3,870,930.66 and 783,686.34 is: 1,175,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,787.32 : 3,870,930.66 = 783,686.34 : x
  2. Step 2: Convert to fraction form
    2,580,787.32/3,870,930.66 = 783,686.34/x
  3. Step 3: Cross multiply
    2,580,787.32x = 3,870,930.66 × 783,686.34
  4. Step 4: Simplify right side
    2,580,787.32x = 3,033,595,481,329.18
  5. Step 5: Solve for x
    x = 3,033,595,481,329.18/2,580,787.32
  6. Step 6: Final answer
    x = 1,175,453.50

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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.