Home / 3,108,369.78-4,289,455.58-1,731,712.82

Finding the Fourth Proportional to 3,108,369.78, 4,289,455.58 and 1,731,712.82

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Solution

The fourth proportional to 3,108,369.78, 4,289,455.58 and 1,731,712.82 is: 2,389,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,369.78 : 4,289,455.58 = 1,731,712.82 : x
  2. Step 2: Convert to fraction form
    3,108,369.78/4,289,455.58 = 1,731,712.82/x
  3. Step 3: Cross multiply
    3,108,369.78x = 4,289,455.58 × 1,731,712.82
  4. Step 4: Simplify right side
    3,108,369.78x = 7,428,105,188,600.69
  5. Step 5: Solve for x
    x = 7,428,105,188,600.69/3,108,369.78
  6. Step 6: Final answer
    x = 2,389,710.91

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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.