Home / 5,147,509.68-7,721,070.39-1,553,180.76

Finding the Fourth Proportional to 5,147,509.68, 7,721,070.39 and 1,553,180.76

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Solution

The fourth proportional to 5,147,509.68, 7,721,070.39 and 1,553,180.76 is: 2,329,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,509.68 : 7,721,070.39 = 1,553,180.76 : x
  2. Step 2: Convert to fraction form
    5,147,509.68/7,721,070.39 = 1,553,180.76/x
  3. Step 3: Cross multiply
    5,147,509.68x = 7,721,070.39 × 1,553,180.76
  4. Step 4: Simplify right side
    5,147,509.68x = 11,992,217,976,353.70
  5. Step 5: Solve for x
    x = 11,992,217,976,353.70/5,147,509.68
  6. Step 6: Final answer
    x = 2,329,712.56

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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.