Home / 3,980,856.52-5,490,201.54-3,363,685.48

Finding the Fourth Proportional to 3,980,856.52, 5,490,201.54 and 3,363,685.48

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Solution

The fourth proportional to 3,980,856.52, 5,490,201.54 and 3,363,685.48 is: 4,639,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,856.52 : 5,490,201.54 = 3,363,685.48 : x
  2. Step 2: Convert to fraction form
    3,980,856.52/5,490,201.54 = 3,363,685.48/x
  3. Step 3: Cross multiply
    3,980,856.52x = 5,490,201.54 × 3,363,685.48
  4. Step 4: Simplify right side
    3,980,856.52x = 18,467,311,202,371.64
  5. Step 5: Solve for x
    x = 18,467,311,202,371.64/3,980,856.52
  6. Step 6: Final answer
    x = 4,639,029.59

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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.