Home / 3,979,336.29-5,485,923.39-3,365,024.37

Finding the Fourth Proportional to 3,979,336.29, 5,485,923.39 and 3,365,024.37

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Solution

The fourth proportional to 3,979,336.29, 5,485,923.39 and 3,365,024.37 is: 4,639,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,336.29 : 5,485,923.39 = 3,365,024.37 : x
  2. Step 2: Convert to fraction form
    3,979,336.29/5,485,923.39 = 3,365,024.37/x
  3. Step 3: Cross multiply
    3,979,336.29x = 5,485,923.39 × 3,365,024.37
  4. Step 4: Simplify right side
    3,979,336.29x = 18,460,265,899,303.02
  5. Step 5: Solve for x
    x = 18,460,265,899,303.02/3,979,336.29
  6. Step 6: Final answer
    x = 4,639,031.37

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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.