Home / 6,421,308.22-9,619,127.88-3,861,121.38

Finding the Fourth Proportional to 6,421,308.22, 9,619,127.88 and 3,861,121.38

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Solution

The fourth proportional to 6,421,308.22, 9,619,127.88 and 3,861,121.38 is: 5,783,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,308.22 : 9,619,127.88 = 3,861,121.38 : x
  2. Step 2: Convert to fraction form
    6,421,308.22/9,619,127.88 = 3,861,121.38/x
  3. Step 3: Cross multiply
    6,421,308.22x = 9,619,127.88 × 3,861,121.38
  4. Step 4: Simplify right side
    6,421,308.22x = 37,140,620,314,422.08
  5. Step 5: Solve for x
    x = 37,140,620,314,422.08/6,421,308.22
  6. Step 6: Final answer
    x = 5,783,964.74

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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.