Home / 6,421,307.22-9,619,126.38-3,861,120.38

Finding the Fourth Proportional to 6,421,307.22, 9,619,126.38 and 3,861,120.38

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Solution

The fourth proportional to 6,421,307.22, 9,619,126.38 and 3,861,120.38 is: 5,783,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,307.22 : 9,619,126.38 = 3,861,120.38 : x
  2. Step 2: Convert to fraction form
    6,421,307.22/9,619,126.38 = 3,861,120.38/x
  3. Step 3: Cross multiply
    6,421,307.22x = 9,619,126.38 × 3,861,120.38
  4. Step 4: Simplify right side
    6,421,307.22x = 37,140,604,855,517.99
  5. Step 5: Solve for x
    x = 37,140,604,855,517.99/6,421,307.22
  6. Step 6: Final answer
    x = 5,783,963.23

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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.