Home / 2,855,142.24-3,940,425.48-1,709,222.28

Finding the Fourth Proportional to 2,855,142.24, 3,940,425.48 and 1,709,222.28

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Solution

The fourth proportional to 2,855,142.24, 3,940,425.48 and 1,709,222.28 is: 2,358,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,142.24 : 3,940,425.48 = 1,709,222.28 : x
  2. Step 2: Convert to fraction form
    2,855,142.24/3,940,425.48 = 1,709,222.28/x
  3. Step 3: Cross multiply
    2,855,142.24x = 3,940,425.48 × 1,709,222.28
  4. Step 4: Simplify right side
    2,855,142.24x = 6,735,063,023,095.69
  5. Step 5: Solve for x
    x = 6,735,063,023,095.69/2,855,142.24
  6. Step 6: Final answer
    x = 2,358,923.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.