Home / 5,378,408.82-7,422,205.56-2,931,020.58

Finding the Fourth Proportional to 5,378,408.82, 7,422,205.56 and 2,931,020.58

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Solution

The fourth proportional to 5,378,408.82, 7,422,205.56 and 2,931,020.58 is: 4,044,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,408.82 : 7,422,205.56 = 2,931,020.58 : x
  2. Step 2: Convert to fraction form
    5,378,408.82/7,422,205.56 = 2,931,020.58/x
  3. Step 3: Cross multiply
    5,378,408.82x = 7,422,205.56 × 2,931,020.58
  4. Step 4: Simplify right side
    5,378,408.82x = 21,754,637,245,350.43
  5. Step 5: Solve for x
    x = 21,754,637,245,350.43/5,378,408.82
  6. Step 6: Final answer
    x = 4,044,809.16

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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.