Home / 3,469,356.78-4,785,490.98-2,782,676.31

Finding the Fourth Proportional to 3,469,356.78, 4,785,490.98 and 2,782,676.31

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Solution

The fourth proportional to 3,469,356.78, 4,785,490.98 and 2,782,676.31 is: 3,838,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,356.78 : 4,785,490.98 = 2,782,676.31 : x
  2. Step 2: Convert to fraction form
    3,469,356.78/4,785,490.98 = 2,782,676.31/x
  3. Step 3: Cross multiply
    3,469,356.78x = 4,785,490.98 × 2,782,676.31
  4. Step 4: Simplify right side
    3,469,356.78x = 13,316,472,381,764.69
  5. Step 5: Solve for x
    x = 13,316,472,381,764.69/3,469,356.78
  6. Step 6: Final answer
    x = 3,838,311.60

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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.