Home / 2,718,873.44-4,078,045.14-825,631.28

Finding the Fourth Proportional to 2,718,873.44, 4,078,045.14 and 825,631.28

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Solution

The fourth proportional to 2,718,873.44, 4,078,045.14 and 825,631.28 is: 1,238,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,873.44 : 4,078,045.14 = 825,631.28 : x
  2. Step 2: Convert to fraction form
    2,718,873.44/4,078,045.14 = 825,631.28/x
  3. Step 3: Cross multiply
    2,718,873.44x = 4,078,045.14 × 825,631.28
  4. Step 4: Simplify right side
    2,718,873.44x = 3,366,961,628,835.98
  5. Step 5: Solve for x
    x = 3,366,961,628,835.98/2,718,873.44
  6. Step 6: Final answer
    x = 1,238,366.44

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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.