Home / 2,580,772.32-3,870,908.19-783,671.36

Finding the Fourth Proportional to 2,580,772.32, 3,870,908.19 and 783,671.36

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Solution

The fourth proportional to 2,580,772.32, 3,870,908.19 and 783,671.36 is: 1,175,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,772.32 : 3,870,908.19 = 783,671.36 : x
  2. Step 2: Convert to fraction form
    2,580,772.32/3,870,908.19 = 783,671.36/x
  3. Step 3: Cross multiply
    2,580,772.32x = 3,870,908.19 × 783,671.36
  4. Step 4: Simplify right side
    2,580,772.32x = 3,033,519,866,337.90
  5. Step 5: Solve for x
    x = 3,033,519,866,337.90/2,580,772.32
  6. Step 6: Final answer
    x = 1,175,431.03

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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.