Home / 1,617,215.40-2,427,791.40-818,085.60

Finding the Fourth Proportional to 1,617,215.40, 2,427,791.40 and 818,085.60

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Solution

The fourth proportional to 1,617,215.40, 2,427,791.40 and 818,085.60 is: 1,228,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,215.40 : 2,427,791.40 = 818,085.60 : x
  2. Step 2: Convert to fraction form
    1,617,215.40/2,427,791.40 = 818,085.60/x
  3. Step 3: Cross multiply
    1,617,215.40x = 2,427,791.40 × 818,085.60
  4. Step 4: Simplify right side
    1,617,215.40x = 1,986,141,184,143.84
  5. Step 5: Solve for x
    x = 1,986,141,184,143.84/1,617,215.40
  6. Step 6: Final answer
    x = 1,228,124.09

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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.