Home / 2,147,882.76-3,221,823-631,578.30

Finding the Fourth Proportional to 2,147,882.76, 3,221,823 and 631,578.30

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Solution

The fourth proportional to 2,147,882.76, 3,221,823 and 631,578.30 is: 947,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,882.76 : 3,221,823 = 631,578.30 : x
  2. Step 2: Convert to fraction form
    2,147,882.76/3,221,823 = 631,578.30/x
  3. Step 3: Cross multiply
    2,147,882.76x = 3,221,823 × 631,578.30
  4. Step 4: Simplify right side
    2,147,882.76x = 2,034,833,493,240.90
  5. Step 5: Solve for x
    x = 2,034,833,493,240.90/2,147,882.76
  6. Step 6: Final answer
    x = 947,367.11

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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.