Home / 5,378,400.41-7,421,976.54-2,930,959.28

Finding the Fourth Proportional to 5,378,400.41, 7,421,976.54 and 2,930,959.28

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Solution

The fourth proportional to 5,378,400.41, 7,421,976.54 and 2,930,959.28 is: 4,044,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,400.41 : 7,421,976.54 = 2,930,959.28 : x
  2. Step 2: Convert to fraction form
    5,378,400.41/7,421,976.54 = 2,930,959.28/x
  3. Step 3: Cross multiply
    5,378,400.41x = 7,421,976.54 × 2,930,959.28
  4. Step 4: Simplify right side
    5,378,400.41x = 21,753,511,034,410.23
  5. Step 5: Solve for x
    x = 21,753,511,034,410.23/5,378,400.41
  6. Step 6: Final answer
    x = 4,044,606.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.