Home / 1,869,132.25-2,803,698.10-449,188.34

Finding the Fourth Proportional to 1,869,132.25, 2,803,698.10 and 449,188.34

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Solution

The fourth proportional to 1,869,132.25, 2,803,698.10 and 449,188.34 is: 673,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,132.25 : 2,803,698.10 = 449,188.34 : x
  2. Step 2: Convert to fraction form
    1,869,132.25/2,803,698.10 = 449,188.34/x
  3. Step 3: Cross multiply
    1,869,132.25x = 2,803,698.10 × 449,188.34
  4. Step 4: Simplify right side
    1,869,132.25x = 1,259,388,479,135.72
  5. Step 5: Solve for x
    x = 1,259,388,479,135.72/1,869,132.25
  6. Step 6: Final answer
    x = 673,782.44

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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.