Home / 6,388,628.40-9,582,942.60-3,194,247.60

Finding the Fourth Proportional to 6,388,628.40, 9,582,942.60 and 3,194,247.60

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Solution

The fourth proportional to 6,388,628.40, 9,582,942.60 and 3,194,247.60 is: 4,791,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,628.40 : 9,582,942.60 = 3,194,247.60 : x
  2. Step 2: Convert to fraction form
    6,388,628.40/9,582,942.60 = 3,194,247.60/x
  3. Step 3: Cross multiply
    6,388,628.40x = 9,582,942.60 × 3,194,247.60
  4. Step 4: Simplify right side
    6,388,628.40x = 30,610,291,400,987.76
  5. Step 5: Solve for x
    x = 30,610,291,400,987.76/6,388,628.40
  6. Step 6: Final answer
    x = 4,791,371.40

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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.