Home / 2,005,506.88-3,009,178.87-868,616.80

Finding the Fourth Proportional to 2,005,506.88, 3,009,178.87 and 868,616.80

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Solution

The fourth proportional to 2,005,506.88, 3,009,178.87 and 868,616.80 is: 1,303,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,506.88 : 3,009,178.87 = 868,616.80 : x
  2. Step 2: Convert to fraction form
    2,005,506.88/3,009,178.87 = 868,616.80/x
  3. Step 3: Cross multiply
    2,005,506.88x = 3,009,178.87 × 868,616.80
  4. Step 4: Simplify right side
    2,005,506.88x = 2,613,823,310,992.53
  5. Step 5: Solve for x
    x = 2,613,823,310,992.53/2,005,506.88
  6. Step 6: Final answer
    x = 1,303,323.04

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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.