Home / 2,979,424.60-4,469,136.90-984,880.60

Finding the Fourth Proportional to 2,979,424.60, 4,469,136.90 and 984,880.60

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Solution

The fourth proportional to 2,979,424.60, 4,469,136.90 and 984,880.60 is: 1,477,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,424.60 : 4,469,136.90 = 984,880.60 : x
  2. Step 2: Convert to fraction form
    2,979,424.60/4,469,136.90 = 984,880.60/x
  3. Step 3: Cross multiply
    2,979,424.60x = 4,469,136.90 × 984,880.60
  4. Step 4: Simplify right side
    2,979,424.60x = 4,401,566,231,554.14
  5. Step 5: Solve for x
    x = 4,401,566,231,554.14/2,979,424.60
  6. Step 6: Final answer
    x = 1,477,320.90

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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.