Home / 5,378,361.92-7,421,875.05-2,930,965.55

Finding the Fourth Proportional to 5,378,361.92, 7,421,875.05 and 2,930,965.55

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Solution

The fourth proportional to 5,378,361.92, 7,421,875.05 and 2,930,965.55 is: 4,044,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,361.92 : 7,421,875.05 = 2,930,965.55 : x
  2. Step 2: Convert to fraction form
    5,378,361.92/7,421,875.05 = 2,930,965.55/x
  3. Step 3: Cross multiply
    5,378,361.92x = 7,421,875.05 × 2,930,965.55
  4. Step 4: Simplify right side
    5,378,361.92x = 21,753,260,087,954.53
  5. Step 5: Solve for x
    x = 21,753,260,087,954.53/5,378,361.92
  6. Step 6: Final answer
    x = 4,044,588.37

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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.