Home / 3,424,376.05-5,136,439.50-1,028,158.40

Finding the Fourth Proportional to 3,424,376.05, 5,136,439.50 and 1,028,158.40

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Solution

The fourth proportional to 3,424,376.05, 5,136,439.50 and 1,028,158.40 is: 1,542,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,376.05 : 5,136,439.50 = 1,028,158.40 : x
  2. Step 2: Convert to fraction form
    3,424,376.05/5,136,439.50 = 1,028,158.40/x
  3. Step 3: Cross multiply
    3,424,376.05x = 5,136,439.50 × 1,028,158.40
  4. Step 4: Simplify right side
    3,424,376.05x = 5,281,073,419,297.55
  5. Step 5: Solve for x
    x = 5,281,073,419,297.55/3,424,376.05
  6. Step 6: Final answer
    x = 1,542,200.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.