Home / 3,831,290.71-5,282,885.81-3,131,399.62

Finding the Fourth Proportional to 3,831,290.71, 5,282,885.81 and 3,131,399.62

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Solution

The fourth proportional to 3,831,290.71, 5,282,885.81 and 3,131,399.62 is: 4,317,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,290.71 : 5,282,885.81 = 3,131,399.62 : x
  2. Step 2: Convert to fraction form
    3,831,290.71/5,282,885.81 = 3,131,399.62/x
  3. Step 3: Cross multiply
    3,831,290.71x = 5,282,885.81 × 3,131,399.62
  4. Step 4: Simplify right side
    3,831,290.71x = 16,542,826,617,937.39
  5. Step 5: Solve for x
    x = 16,542,826,617,937.39/3,831,290.71
  6. Step 6: Final answer
    x = 4,317,820.77

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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.