Home / 2,028,808.20-3,043,212.30-1,186,926.60

Finding the Fourth Proportional to 2,028,808.20, 3,043,212.30 and 1,186,926.60

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Solution

The fourth proportional to 2,028,808.20, 3,043,212.30 and 1,186,926.60 is: 1,780,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,808.20 : 3,043,212.30 = 1,186,926.60 : x
  2. Step 2: Convert to fraction form
    2,028,808.20/3,043,212.30 = 1,186,926.60/x
  3. Step 3: Cross multiply
    2,028,808.20x = 3,043,212.30 × 1,186,926.60
  4. Step 4: Simplify right side
    2,028,808.20x = 3,612,069,628,317.18
  5. Step 5: Solve for x
    x = 3,612,069,628,317.18/2,028,808.20
  6. Step 6: Final answer
    x = 1,780,389.90

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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.