Home / 3,619,122.60-5,428,511.10-1,222,732.20

Finding the Fourth Proportional to 3,619,122.60, 5,428,511.10 and 1,222,732.20

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Solution

The fourth proportional to 3,619,122.60, 5,428,511.10 and 1,222,732.20 is: 1,834,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,122.60 : 5,428,511.10 = 1,222,732.20 : x
  2. Step 2: Convert to fraction form
    3,619,122.60/5,428,511.10 = 1,222,732.20/x
  3. Step 3: Cross multiply
    3,619,122.60x = 5,428,511.10 × 1,222,732.20
  4. Step 4: Simplify right side
    3,619,122.60x = 6,637,615,320,027.42
  5. Step 5: Solve for x
    x = 6,637,615,320,027.42/3,619,122.60
  6. Step 6: Final answer
    x = 1,834,039.92

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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.