Home / 5,147,534-7,721,107.14-1,553,205.44

Finding the Fourth Proportional to 5,147,534, 7,721,107.14 and 1,553,205.44

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Solution

The fourth proportional to 5,147,534, 7,721,107.14 and 1,553,205.44 is: 2,329,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,534 : 7,721,107.14 = 1,553,205.44 : x
  2. Step 2: Convert to fraction form
    5,147,534/7,721,107.14 = 1,553,205.44/x
  3. Step 3: Cross multiply
    5,147,534x = 7,721,107.14 × 1,553,205.44
  4. Step 4: Simplify right side
    5,147,534x = 11,992,465,612,670.84
  5. Step 5: Solve for x
    x = 11,992,465,612,670.84/5,147,534
  6. Step 6: Final answer
    x = 2,329,749.67

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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.