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Finding the Fourth Proportional to 3,879,536.94, 5,819,656.01 and 1,483,402.33

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Solution

The fourth proportional to 3,879,536.94, 5,819,656.01 and 1,483,402.33 is: 2,225,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,536.94 : 5,819,656.01 = 1,483,402.33 : x
  2. Step 2: Convert to fraction form
    3,879,536.94/5,819,656.01 = 1,483,402.33/x
  3. Step 3: Cross multiply
    3,879,536.94x = 5,819,656.01 × 1,483,402.33
  4. Step 4: Simplify right side
    3,879,536.94x = 8,632,891,296,015.58
  5. Step 5: Solve for x
    x = 8,632,891,296,015.58/3,879,536.94
  6. Step 6: Final answer
    x = 2,225,237.56

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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.