Home / 3,789,472.65-5,229,466.92-2,157,880.44

Finding the Fourth Proportional to 3,789,472.65, 5,229,466.92 and 2,157,880.44

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Solution

The fourth proportional to 3,789,472.65, 5,229,466.92 and 2,157,880.44 is: 2,977,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,472.65 : 5,229,466.92 = 2,157,880.44 : x
  2. Step 2: Convert to fraction form
    3,789,472.65/5,229,466.92 = 2,157,880.44/x
  3. Step 3: Cross multiply
    3,789,472.65x = 5,229,466.92 × 2,157,880.44
  4. Step 4: Simplify right side
    3,789,472.65x = 11,284,564,361,136.12
  5. Step 5: Solve for x
    x = 11,284,564,361,136.12/3,789,472.65
  6. Step 6: Final answer
    x = 2,977,871.96

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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.