Home / 1,867,215.20-2,794,371.60-1,119,797.60

Finding the Fourth Proportional to 1,867,215.20, 2,794,371.60 and 1,119,797.60

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Solution

The fourth proportional to 1,867,215.20, 2,794,371.60 and 1,119,797.60 is: 1,675,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,215.20 : 2,794,371.60 = 1,119,797.60 : x
  2. Step 2: Convert to fraction form
    1,867,215.20/2,794,371.60 = 1,119,797.60/x
  3. Step 3: Cross multiply
    1,867,215.20x = 2,794,371.60 × 1,119,797.60
  4. Step 4: Simplify right side
    1,867,215.20x = 3,129,130,611,188.16
  5. Step 5: Solve for x
    x = 3,129,130,611,188.16/1,867,215.20
  6. Step 6: Final answer
    x = 1,675,827.52

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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.