Home / 5,147,538-7,721,113.14-1,553,209.44

Finding the Fourth Proportional to 5,147,538, 7,721,113.14 and 1,553,209.44

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Solution

The fourth proportional to 5,147,538, 7,721,113.14 and 1,553,209.44 is: 2,329,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,538 : 7,721,113.14 = 1,553,209.44 : x
  2. Step 2: Convert to fraction form
    5,147,538/7,721,113.14 = 1,553,209.44/x
  3. Step 3: Cross multiply
    5,147,538x = 7,721,113.14 × 1,553,209.44
  4. Step 4: Simplify right side
    5,147,538x = 11,992,505,816,356.04
  5. Step 5: Solve for x
    x = 11,992,505,816,356.04/5,147,538
  6. Step 6: Final answer
    x = 2,329,755.67

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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.