Home / 3,618,119.34-5,426,026.65-1,188,708.54

Finding the Fourth Proportional to 3,618,119.34, 5,426,026.65 and 1,188,708.54

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Solution

The fourth proportional to 3,618,119.34, 5,426,026.65 and 1,188,708.54 is: 1,782,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,119.34 : 5,426,026.65 = 1,188,708.54 : x
  2. Step 2: Convert to fraction form
    3,618,119.34/5,426,026.65 = 1,188,708.54/x
  3. Step 3: Cross multiply
    3,618,119.34x = 5,426,026.65 × 1,188,708.54
  4. Step 4: Simplify right side
    3,618,119.34x = 6,449,964,217,122.59
  5. Step 5: Solve for x
    x = 6,449,964,217,122.59/3,618,119.34
  6. Step 6: Final answer
    x = 1,782,684.21

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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.