Home / 2,380,353.78-3,284,911.95-1,292,634.78

Finding the Fourth Proportional to 2,380,353.78, 3,284,911.95 and 1,292,634.78

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Solution

The fourth proportional to 2,380,353.78, 3,284,911.95 and 1,292,634.78 is: 1,783,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,353.78 : 3,284,911.95 = 1,292,634.78 : x
  2. Step 2: Convert to fraction form
    2,380,353.78/3,284,911.95 = 1,292,634.78/x
  3. Step 3: Cross multiply
    2,380,353.78x = 3,284,911.95 × 1,292,634.78
  4. Step 4: Simplify right side
    2,380,353.78x = 4,246,191,435,807.62
  5. Step 5: Solve for x
    x = 4,246,191,435,807.62/2,380,353.78
  6. Step 6: Final answer
    x = 1,783,848.88

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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.