Home / 3,856,865.69-5,781,219.62-1,426,457.03

Finding the Fourth Proportional to 3,856,865.69, 5,781,219.62 and 1,426,457.03

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Solution

The fourth proportional to 3,856,865.69, 5,781,219.62 and 1,426,457.03 is: 2,138,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,865.69 : 5,781,219.62 = 1,426,457.03 : x
  2. Step 2: Convert to fraction form
    3,856,865.69/5,781,219.62 = 1,426,457.03/x
  3. Step 3: Cross multiply
    3,856,865.69x = 5,781,219.62 × 1,426,457.03
  4. Step 4: Simplify right side
    3,856,865.69x = 8,246,661,332,884.55
  5. Step 5: Solve for x
    x = 8,246,661,332,884.55/3,856,865.69
  6. Step 6: Final answer
    x = 2,138,176.95

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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.