Home / 6,309,399.45-8,706,977.40-3,408,792.64

Finding the Fourth Proportional to 6,309,399.45, 8,706,977.40 and 3,408,792.64

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Solution

The fourth proportional to 6,309,399.45, 8,706,977.40 and 3,408,792.64 is: 4,704,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309,399.45 : 8,706,977.40 = 3,408,792.64 : x
  2. Step 2: Convert to fraction form
    6,309,399.45/8,706,977.40 = 3,408,792.64/x
  3. Step 3: Cross multiply
    6,309,399.45x = 8,706,977.40 × 3,408,792.64
  4. Step 4: Simplify right side
    6,309,399.45x = 29,680,280,468,781.87
  5. Step 5: Solve for x
    x = 29,680,280,468,781.87/6,309,399.45
  6. Step 6: Final answer
    x = 4,704,137.17

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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.