Home / 2,085,913.37-3,129,358.25-646,521.55

Finding the Fourth Proportional to 2,085,913.37, 3,129,358.25 and 646,521.55

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Solution

The fourth proportional to 2,085,913.37, 3,129,358.25 and 646,521.55 is: 969,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,913.37 : 3,129,358.25 = 646,521.55 : x
  2. Step 2: Convert to fraction form
    2,085,913.37/3,129,358.25 = 646,521.55/x
  3. Step 3: Cross multiply
    2,085,913.37x = 3,129,358.25 × 646,521.55
  4. Step 4: Simplify right side
    2,085,913.37x = 2,023,197,530,648.50
  5. Step 5: Solve for x
    x = 2,023,197,530,648.50/2,085,913.37
  6. Step 6: Final answer
    x = 969,933.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.